A ship information exchange device capable of reducing a demodulation processing load is provided. The ship information exchange device includes a receiver, a generator, a detector, and a demodulator. The receiver receives a radio signal. The generator generates reception data of a plurality of channels used for transmission of ship information based on the radio signal. The detector detects a reception level of each of the channels. The demodulator demodulates the reception data. The demodulator determines the reception data to be demodulated according to the detection result of the reception levels.
A directional coupler (101) of present invention comprises a waveguide (11), a substrate (21), two first slits (12a, 12b), and two second slits (41a, 41b). The substrate (21) is having a strip line and ground layers (31, 33) opposed to each other at a side surface of the waveguide (11). The two first slits (12a, 12b) are provided in the side surface of the waveguide (11) along a propagation direction of an electromagnetic waves in the waveguide (11), and the two second slits (41a, 41b) are provided in the first ground layer (31) of the substrate (21) opposed to the two first slits (12a, 12b).
H01P 5/18 - Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
SOLAR RADIATION AMOUNT ESTIMATION DEVICE, SOLAR RADIATION AMOUNT ESTIMATION SYSTEM, SOLAR RADIATION AMOUNT ESTIMATION METHOD, AND SOLAR RADIATION AMOUNT ESTIMATION PROGRAM
The device includes: an image acquisition unit (11) for acquiring an image of the sky; a sun identification unit (12) for identifying a position of the sun in the image; a region setting unit (14) for setting a target region in the image, that is a target region based on a position of the sun, estimating the solar radiation amount including scattered solar radiation by clouds existing around the sun; a calculation unit (15) for calculating a feature value based on pixels included in the target region; and an estimation unit (17) for performing an estimation process for estimating the solar radiation amount including the scattered solar radiation based on the position of the sun and the feature value.
The present disclosure is to provide a measurement chip, a measuring device, and a measuring method which can accurately estimate an analyte concentration with a simple configuration. A measurement chip may include a propagation layer, an introductory part, a drawn-out part and a reaction part. Through the propagation layer, light may propagate. The introductory part may introduce the light into the propagation layer. The drawn-out part may draw the light from the propagation layer. The reaction part may have, in a surface of the propagation layer where a reactant that reacts to a substance to be detected is formed, an area where a content of the reactant changes monotonously in a perpendicular direction perpendicular to a propagating direction of the light, over a given length in the propagating direction.
G01N 21/41 - Refractivity; Phase-affecting properties, e.g. optical path length
G01N 21/27 - Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection
G01N 21/77 - Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
5.
NAVIGATION ASSISTANCE DEVICE, NAVIGATION ASSISTANCE METHOD, AND PROGRAM
[Problem] To provide a navigation assistance device capable of presenting to a user, in an easy to understand manner, the time until a risk. [Solution] This navigation assistance device comprises: a first acquisition unit that acquires first ship data including the position and velocity of a first ship; a second acquisition unit that acquires second ship data including the position and velocity of a second ship; a specification unit that specifies a risk region in which the risk of the first ship and the second ship approaching each other is greater than or equal to a predetermined value; a calculation unit that calculates the arrival time of the first ship to reach the risk region; and a display unit that displays the risk region and displays the arrival time in association with the risk region.
A waveguide-type distributor of the present invention comprises: a first waveguide-type resonator configured to make an inputted electromagnetic wave resonate; an input waveguide portion configured to input the electromagnetic wave to the first waveguide-type resonator; a second waveguide-type resonator configured to make an electromagnetic wave resonate; an output waveguide portion configured to output each electromagnetic wave from the first waveguide-type resonator and the second waveguide-type resonator, respectively; and a waveguide-type phase shifter, arranged between the first waveguide-type resonator and the second waveguide-type resonator and electrically connected to both the first waveguide-type resonator and the second waveguide-type resonator through an iris, respectively, configured to adjust the phase of the inputted electromagnetic wave from the first waveguide-type resonator and output the adjusted electromagnetic wave to the second waveguide-type resonator.
A waveguide-type power distributor of the present invention comprises: an input waveguide for being inputted an electromagnetic wave into a waveguide, formed on the waveguide E-plane that is orthogonal to the electric field of the electromagnetic wave; a first resonator, arranged on the E-plane, for resonating the electromagnetic wave; a plurality of second resonator, arranged on the E-plane, for resonating the electromagnetic wave; an output waveguide for outputting the electromagnetic wave from each of the plurality of second resonator; a first iris for transmitting the electromagnetic wave from the input waveguide into the first resonator, formed by the opposing pair of H-planes of the waveguide between the input waveguide and the first resonator; a plurality of second iris for transmitting the electromagnetic wave from the first resonator into each of the second resonator, respectively, formed by the opposing pair of H-planes of the waveguide between the first resonator and the second resonator, respectively; and a plurality of third iris for transmitting the electromagnetic wave from the second resonator into the output waveguide, respectively, formed by the opposing pair of H-planes of the waveguide between the second resonator and the output waveguide, respectively.
G02B 6/12 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
09 - Scientific and electric apparatus and instruments
Goods & Services
Radar machines and apparatus, and sensors therefore; navigation apparatus, and instruments and sensors therefore; recorded computer software for the purposes of radar detection and navigation.
9.
NAVIGATION ASSISTANCE DEVICE, NAVIGATION ASSISTANCE METHOD, AND PROGRAM
[PROBLEM] To provide a navigation assistance device capable of achieving sea-route evaluation which is in accordance with an opposing relationship. [SOLUTION] This navigation assistance device comprises: a first acquisition unit that acquires first ship data including the position and the speed of a first ship; a second acquisition unit that acquires second ship data including the position and the speed of a second ship; an opposing relationship determination unit that determines the opposing relationship between the first ship and the second ship, on the basis of the first ship data and the second ship data; a sea-route calculation unit that calculates the planned sea-route of the first ship; and a sea-route evaluation unit that evaluates the planned sea-route in accordance with the opposing relationship.
[Problem] To provide a navigation assistance device that is capable of evaluating the degree of approach. [Solution] This navigation assistance device comprises: a first acquisition unit that acquires first ship data including the position and speed of a first ship; a second acquisition unit that acquires second ship data including the position and speed of a second ship; and an intrusion degree calculation unit that, on the basis of the first ship data, the second ship data, and a risk coefficient determined according to a heading with reference to the first ship, calculates a degree of intrusion when the second ship is predicted to intrude in a bumper region, which has the risk coefficient and for which the risk coefficient increases as the second ship approaches the first ship at each heading with reference to the first ship.
[PROBLEM] To provide a navigation assistance device that can present a candidate sea-route to a user in an easy-to-understand manner. [SOLUTION] This navigation assistance device comprises: a candidate sea-route calculation unit that calculates a plurality of candidate sea-routes for a ship; a sea-route classification unit that divides the plurality of candidate sea-routes into a plurality of groups on the basis of the similarity therebetween, and determines a representative sea-route for each of the plurality of groups; and a display unit that displays the representative sea-route of each of the plurality of groups.
[Problem] To provide a navigation assistance device with which it is possible to evaluate blockage of a ship route due to a risk area. [Solution] This navigation assistance device comprises: a first acquisition unit that acquires first ship data including the position and the speed of a first ship; a second acquisition unit that acquires second ship data including the position and the speed of a second ship; a risk section identification unit that, on the basis of the first ship data and the second ship data, identifies a risk section where there is a risk of collision between the first ship and the second ship in a predicted ship route of the second ship, when it is assumed that the first ship would navigate by turning in an arbitrarily defined direction and cross the predicted ship route of the second ship; and a blockage range identification unit that, in the case when the first ship has navigated by turning in the arbitrarily defined direction, identifies a blockage range representing an angular range within which the first ship crosses the risk section.
[Problem] To provide a navigation assistance device capable of determining avoidance with a margin. [Solution] This navigation assistance device is provided with: a first acquisition unit that acquires first ship data including the position and speed of a first ship; a second acquisition unit that acquires second ship data including the position and speed of a second ship; an avoidance index calculation unit that calculates an avoidance index representing the degree to which the first ship should avoid the second ship, on the basis the first ship data and the second ship data; and an avoidance determination unit that, when the distance or time it takes for the first ship to reach a predicted route of the second ship is greater than a predetermined value, determines whether or not the first ship should avoid the second ship, on the basis of the avoidance index.
[Problem] To provide a navigation assistance device that makes it possible to achieve a multifaceted route evaluation. [Solution] This navigation assistance device comprises: a first acquisition unit that acquires first ship data including the position and speed of a first ship; a second acquisition unit that acquires second ship data including the position and speed of a second ship; a candidate route acquisition unit that acquires a plurality of candidate routes of the first ship; a risk value calculation unit that, on the basis of the first ship data and the second ship data, calculates a plurality of types of risk values which represent, with different indicators, the risk of collision between the first ship and the second ship when the first ship navigates along each of the plurality of candidate routes; and a route selection unit that selects some of the plurality of candidate routes on the basis of the plurality of types of risk values calculated for each of the plurality of candidate routes.
The navigation support device (10) includes a candidate generation unit (23), a simulation unit (30), an evaluation unit (41), and a control parameter determination unit (42). The candidate generation unit (23) generates a set of candidate values of a plurality of parameters associated to the control of automatic berthing of a ship (80). The simulation unit (30) simulates berthing behavior of the ship (80) based on each of the set of candidate values of the plurality of parameters. The evaluation unit (41) evaluates the berthing behavior for the set of candidate values of the plurality of parameters based on the result of the simulation. The control parameter determination unit (42) determines the control parameter associated to the control of automatic berthing of the ship (80) from the set of candidate values of the plurality of parameters based on the result of the evaluation of the berthing behavior.
A target monitoring device includes: a data acquiring unit, acquiring image data including a ship observed by an imaging sensor; an image recognizing unit, detecting a region of the ship included in the image data; a distance acquiring unit, acquiring a distance to the ship from an observation position detected by a sensor that is different from the imaging sensor; a course acquiring unit, acquiring a course of the ship detected by the sensor that is different from the imaging sensor; and a ship body length estimating unit, estimating a ship body length of the ship based on a dimension of the region of the ship in a horizontal direction, the distance to the ship, and the course of the ship.
To provide an underwater detection device, a transducer failure determination method, and a program capable of quickly and stably determining a transducer failure. A fish finder (100) (underwater detection device) is provided with a transmission voltage measuring circuit (109) for measuring a transmission voltage supplied to a transducer (2), a transmission current measuring circuit (110) for measuring a transmission current supplied to the transducer (2), and a control circuit (101). The control circuit (101) calculates the impedance of the transducer (2) from the transmission voltage and the transmission current, and determines that the transducer (2) has failed based on determining that the transducer (2) is not normal in both of a first determination process for determining whether the transducer (2) is normal or not based on the impedance and a second determination process for determining whether the transducer (2) is normal or not based on an echo strength.
Provided is an information processing method in which: image data that includes time-series radar images is acquired; position data of a first false image candidate is acquired by inputting one acquired radar image into a first training model that outputs the position data of the first false image candidate when one radar image has been inputted; position data of a second false image candidate is acquired by inputting the acquired time-series radar images into a second training model that outputs the position data of the second false image candidate when the time-series radar images have been inputted; and a false image on a radar echo is detected on the basis of the position data of the acquired first false image candidate and second false image candidate.
G01S 7/41 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group using analysis of echo signal for target characterisation; Target signature; Target cross-section
G01S 13/89 - Radar or analogous systems, specially adapted for specific applications for mapping or imaging
21.
TARGET MONITORING DEVICE, TARGET MONITORING METHOD, AND RECORDING MEDIUM
A target monitoring device includes processing circuitry configured to: sequentially acquire an image including a marine view captured by a camera during a panning operation; detect a target included in the image; determine whether or not the detected target is identical to a target registered in a database in which target data of a target detected by a target detection unit different from the camera is registered; and stop the panning operation of the camera with the detected target included in an angle of view, when the detected target is not the target registered in the database.
[Problem] To propose a Bound-Free (BF) cleaning device, a BF cleaning method, a BF cleaning program, and an analysis device with which a magnetic collection efficiency can be improved. [Solution] This BF cleaning device comprises a conveying unit and a magnetic collecting unit. The conveying unit conveys, along a conveying path, a reaction vessel containing a reaction solution into which a reagent containing magnetic particles and a sample have been dispensed. The magnetic collecting unit brings a magnet, which is shaped to conform to the outer periphery of the reaction vessel, close to the reaction vessel when the reaction vessel is located at a magnetic collection position on the conveying path, to collect the magnetic particles present inside the reaction vessel, and moves the magnet away from the magnetic collection position when the reaction vessel is located other than at the magnetic collection position.
G01N 35/02 - Automatic analysis not limited to methods or materials provided for in any single one of groups ; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
G01N 35/04 - Automatic analysis not limited to methods or materials provided for in any single one of groups ; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations - Details of the conveyor system
24.
TARGET MONITORING SYSTEM, TARGET MONITORING METHOD, AND RECORDING MEDIUM
A target monitoring system includes: a camera, mounted in a ship; a detecting apparatus, mounted in the ship and detecting an actual position of a target present around the ship; an image recognizing unit, detecting an in-image position of the target included in an image imaged by the camera; a distance estimating unit, estimating a range of a distance from the ship to the target based on the in-image position of the target; and a target identifying unit, identifying the target detected from the image and the target detected by the detecting apparatus based on the range of the distance that is estimated and the actual position that is detected.
[Problem] To provide a navigation assistance device with which it is possible to combine assessment criteria pertaining to a risk of collision. [Solution] A navigation assistance device comprising: a first acquisition unit that acquires first ship data representing the position and speed of a first ship; a second acquisition unit that acquires second ship data representing the position and speed of a second ship; a first calculation unit that, on the basis of the first ship data and the second ship data, calculates a first collision risk value based on the time required for the second ship to approach the first ship; a second calculation unit that, on the basis of the first ship data and the second ship data, calculates a second collision risk value based on the distance between the first ship and the second ship; and an assessment unit that, on the basis of the first collision risk value and the second collision risk value, assesses whether there is a risk of collision between the first ship and the second ship.
The antenna device 10, 10A, 10B, 10C, 10D, 10E, 10F, 10G comprises a dielectric substrate 2, a first antenna array 31 including a plurality of patch antennas 35 configured to radiate electromagnetic waves, arranged in the longitudinal direction X, and connected in series on a surface of the dielectric substrate 2; and a horn member 5 with at least one of a first horn hole 51 and a second horn hole 52. The electromagnetic waves emitted from the plurality of patch antennas 35 pass through the same hole. A part of the wall surface or the whole of the first horn hole 51 and the second horn hole 52 is made up of conductors. The width in a width direction Y perpendicular to the longitudinal direction X in which the plurality of patch antennas 35 is arranged is greater than the longitudinal direction X.
To easily adjust a propulsion force while using a joystick. The ship control device (10) includes a throttle position setting unit (211), a throttle position adjusting unit (212), and a command signal generation unit (215). The throttle position setting unit (211) sets a throttle position based on a tilt state of an operation device (30) operated by a user. The throttle position adjusting unit (212) sets an upper limit value of the throttle position based on a rotational state of the first operation device (30). The command signal generation unit (215) generates a throttle command signal based on the throttle position and the upper limit value.
NAVIGATION INFORMATION RECEIVING DEVICE, NAVIGATION INFORMATION TRANSMITTING DEVICE, NAVIGATION INFORMATION TRANSMITTING/RECEIVING SYSTEM, NAVIGATION INFORMATION RECEIVING METHOD, NAVIGATION INFORMATION TRANSMITTING METHOD, NAVIGATION INFORMATION RECEIVING PROGRAM, AND NAVIGATION INFORMATION TRANSMITTING PROGRAM
[Problem] To make it possible to analyze navigation information messages even when the message format is changed, without requiring updating software or equipment. [Solution] A navigation information receiving device 10 comprises: a receiving unit 101 that receives a navigation information message; a determining unit 102 that determines whether the received navigation information message is a formatted message or a non-formatted message; a format storage unit 104 that stores format information included in the formatted message; and an analyzing unit 103 that analyzes the contents of the non-formatted message on the basis of the format information stored in the format storage unit 104.
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
H04W 4/40 - Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
H04W 28/06 - Optimising, e.g. header compression, information sizing
29.
RADAR IMAGE SYNTHESIZING DEVICE, RADAR IMAGE SYNTHESIZING METHOD, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM
A radar image synthesizing device capable of displaying a synthesized image with higher visual recognition based on a plurality of radar images is provided. The radar image synthesizing device includes processing circuitry. The processing circuitry acquires a plurality of radar images based on a measuring result of each of a plurality of radars disposed at different locations. The processing circuitry generates a synthesized image in which the plurality of radar images are synthesized, while using a position at which a product of a beam width of the radar and a distance from the radar becomes equal in a set of at least any two radars, as a boundary between the radar images. The processing circuitry displays the synthesized image.
A display processing device capable of preventing generation of interference when performing voice wireless communications between a plurality of ships, or between a ship and a land station, and making normal voice wireless communications start smoothly, is provided. The display processing device includes a receiver and processing circuitry. The receiver receives a radio wave for voice. The processing circuitry performs a determination of a channel used for propagation of the radio wave for voice and a ship/land determination for determining whether an output source of the radio wave for voice is either one of a ship and a land station. The processing circuitry displays, on a screen indicative of a time-series change in the status of use for every channel that may be used, a result of the ship/land determination for the used channel.
[Problem] To propose a dispensing device capable of inhibiting a decrease in dispensing accuracy, and an analyzing device. [Solution] This dispensing device comprises a first pump and a second pump. The first pump has a nozzle for suctioning and discharging a liquid, the nozzle being connected to a distal end of a syringe, and the first pump generates, with reciprocating motion, pressure for suctioning and discharging the liquid. The second pump connects to a flow path connecting to the syringe of the first pump from the side, and pumps a filling liquid to the syringe through the flow path. The flow path connects to the syringe while deviating from the center axis of the syringe, and is provided in a state in which the direction of the flow path is inclined to a proximal end side of the syringe.
To provide a power supply circuit (18) and an underwater detection device capable of performing heat radiation countermeasures while suppressing enlargement of circuit scale and power loss. The power supply circuit (18) includes an output voltage generating module (110) configured to generate a pulse voltage of a predetermined duty from an input voltage of DC by switching control of a switching element (111) and generate an output voltage of DC. A field effect transistor (140) is connected between a supply line of the output voltage and a ground and configured to flow a current corresponding to the gate voltage from supply line to ground. A voltage monitoring module (150) is configured to apply a gate voltage of a magnitude corresponding to output voltage to field effect transistor (140) on the basis that output voltage is included in a voltage range where intermittent operation occurs in the switching element (111).
H02M 3/28 - Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
G01R 19/165 - Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
33.
SHIP MONITORING DEVICE, SHIP MONITORING METHOD AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM
A ship monitoring device is provided, which includes processing circuitry. The processing circuitry acquires first ship data indicative of a position and a velocity of a first ship. The processing circuitry acquires second ship data indicative of a position and a velocity of a second ship. The processing circuitry determines whether an encounter relationship between the first ship and the second ship is any one of a head-on relationship, a crossing relationship, and an overtaking relationship based on the first ship data and the second ship data. The processing circuitry determines whether at least one of the first ship and the second ship corresponds to a stand-on ship, a give-way ship, or corresponds to neither thereof based on the first ship data, the second ship data, and the encounter relationship.
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
B63B 43/18 - Improving safety of vessels, e.g. damage control, not otherwise provided for reducing collision damage
B63B 49/00 - Arrangements of nautical instruments or navigational aids
34.
SHIP BODY CONTROL DEVICE, SHIP BODY CONTROL SYSTEM, SHIP BODY CONTROL METHOD AND SHIP BODY CONTROL PROGRAM
A ship body control device (20, 20A) includes an acquiring part (40) and an estimating part (200, 200A). The acquiring part (40) acquires a ship body state and disturbance information of a ship body (80) on a water surface. The estimating part (200, 200A) generates a first estimated value (δte0, δte0a, δte0b) of a trim rudder angle (θtr) to disturbance based on information on a hydrodynamic force of the ship body (80) based on a shape of the ship body (80), and information acquired by the acquiring part (40).
The object of the present invention is to effectively suppress an overshoot of a heading during turning. A ship control device is provided with an overshoot amount measuring unit (21) and a rudder angle offset amount calculating unit (23). The overshoot amount measuring unit (21) measures an overshoot amount of a heading during turning based on the overshoot amount of the heading to a set heading of a ship during autopilot control. The rudder angle offset amount calculating unit (23) calculates a rudder angle offset amount based on the overshoot amount.
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
B63H 25/04 - Initiating means for steering automatic, e.g. reacting to compass
37.
IMAGE GENERATING DEVICE, SHIP INFORMATION DISPLAYING METHOD AND A NON-TRANSITORY COMPUTER-READABLE MEDIUM
The present disclosure provides an image generating device capable of making a situation around a ship comprehensive. The image generating device includes processing circuitry. The processing circuitry acquires ship data indicative of a two-dimensional position of a ship on a water surface. The processing circuitry places a three-dimensional ship object indicative of the ship, at a position of a virtual water surface in a virtual three-dimensional space corresponding to a two-dimensional position of the ship. The processing circuitry sets a virtual camera in a bird's-eye view mode in which the three-dimensional ship object is looked down obliquely from a position higher than the three-dimensional ship object. The processing circuitry generates a three-dimensional image in which a sight within a field of view of the virtual camera including the three-dimensional ship object is drawn. The processing circuitry generates an image for indication including the three-dimensional image.
The analysis device includes processing circuitry configured to measure absorbances at multiple measurement positions from one end to the other end in the width direction of a cuvette which is open at one end in the height direction; acquire blank data measured by the processing circuitry in a state where a blank liquid is placed in the cuvette, and sample data measured by the processing circuitry in a state where a reaction liquid in which a sample and a reagent are reacted is placed in the cuvette; and perform correction to align measurement positions of the blank data and the sample data based on correlation processing of the measurement positions of the blank data and the sample data.
G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
[Problem] To provide a navigation assistance device by which navigation can continue. [Solution] This navigation assistance device comprises: a first route calculation unit which calculates a first evading route for evading under a first constraint condition; a second route calculation unit which calculates a second evading route under a second constraint condition that is more relaxed than the first constraint condition when the cost for the first evading route is equal to or greater than a prescribed value; and a ship stoppage determination unit which determines ship stoppage when the cost of the second evading route is equal to or greater than a prescribed value.
B63B 49/00 - Arrangements of nautical instruments or navigational aids
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
B63H 25/04 - Initiating means for steering automatic, e.g. reacting to compass
A radar apparatus is provided with: a transmitter for transmitting a transmission signal in which the frequency is changed over time; a receiver for receiving a radio wave returned by the transmission signal being reflected by an object as a reception signal; a frequency convertor for generating an in-phase signal and a quadrature signal based on the reception signal; an amplitude signal generator for generating an in-phase amplitude signal indicating the amplitude of the in-phase signal and a quadrature amplitude signal indicating the amplitude of the quadrature signal; a maximum value selector for selecting the higher level of the in-phase amplitude signal and the quadrature amplitude signal as the maximum value signal; and a gain adjuster for adjusting the gain of the reception signal based on the maximum value signal.
G01S 7/35 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of non-pulse systems
A fish finder system for a vessel is provided with an interface to connect with a transducer configured to transmit an ultrasonic signal into a water body and receive a reflected echo signal, and an autopilot device configured to control a rudder being attached to the vessel. Further, the fish finder system is provided with processing circuitry communicatively coupled to the interface and configured to detect a position of a fishing rig, measure a vector from the vessel to the fishing rig, and generate a rudder control signal for the autopilot device to control the rudder based on the measured vector.
Embodiments of the present disclosure provide a measurement chip (1). The measurement chip may include a propagation layer (2) configured to allow light to propagate in a propagation direction, an introductory part (3) configured to introduce the light into the propagation layer, an outgoing part (4) configured to outgo the light from the propagation layer, and a coating layer (5) configured to be formed on a surface (2A)of the propagation layer. A length of a formed region of the coating layer in the propagating direction is increased or decreased along a direction perpendicular to the propagating direction. The length of the formed region of the coating layer is modifiable using a ligand (82) that reacts with an analyte on the surface of the propagation layer at least in an exposed area that is exposed from the coating layer.
G01N 33/48 - Biological material, e.g. blood, urine; Haemocytometers
G01N 21/00 - Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
G02B 6/12 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
43.
NAVIGATION ASSISTANCE DEVICE, NAVIGATION ASSISTANCE METHOD, AND PROGRAM
[Problem] To provide a navigation assistance device that makes it possible to facilitate external assistance for a marine vessel. [Solution] This navigation assistance device comprises: an acquisition unit that acquires lookout capability data representing the lookout capability of a marine vessel; and a calculation unit that, on the basis of the lookout capability data, calculates an assistance necessity degree representing the extent to which the marine vessel requires external assistance.
G08G 3/00 - Traffic control systems for marine craft
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
44.
NAVIGATION ASSISTANCE SYSTEM, NAVIGATION ASSISTANCE DEVICE, NAVIGATION ASSISTANCE METHOD, AND PROGRAM
[Problem] To provide a navigation assistance system capable of making it easy to assist navigation from an external source. [Solution] A navigation assistance system comprising: a navigation assistance device including an acquisition unit that is mounted on a marine vessel and acquires navigation-related data related to navigation of the marine vessel, a calculation unit that calculates, on the basis of the navigation-related data, an assistance necessity level indicating the level of external assistance from needed by the marine vessel, and a transmission unit that transmits the assistance necessity level to a source external to the marine vessel; and a remote monitoring device including a reception unit that is installed external to the marine vessel and receives the assistance necessity level transmitted by the navigation assistance device.
G08G 3/00 - Traffic control systems for marine craft
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
45.
NAVIGATION SUPPORT DEVICE, NAVIGATION SUPPORT METHOD, AND PROGRAM
[Problem] To provide a navigation support device that makes it easy to provide external support to a ship. [Solution] This navigation support device comprises: an acquiring unit for acquiring navigation plan data representing a navigation plan of a ship; and a calculating unit for calculating, on the basis of the navigation plan data, a time-dependent predicted value of a degree of support required, representing the extent to which the ship requires external support.
G08G 3/00 - Traffic control systems for marine craft
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
G06Q 10/08 - Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
46.
MEASUREMENT CHIP, MEASURING DEVICE AND MEASURING METHOD
Embodiments of present disclosure provide an optical waveguide type measurement chip (1) with further improved measurement stability, a measurement device (10) and a measurement method. The measurement chip comprises a propagation layer (2) configured to allow light to propagate, an introductory part (3) configured to have a first diffraction grating for introducing the light into the propagation layer, an outgoing part (4) configured to have a second diffraction grating for deriving the light from the propagation layer, and a ligand modification surface configured to be a surface of the propagation layer and capable of modifying a ligand (72) that reacts with an analyte (75) be detected, wherein a period of a plurality of grating patterns (31, 41) formed in at least one of: the first diffraction grating, or the second diffraction grating, is different from each other between two or more regions.
G02B 6/12 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
G01N 21/77 - Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
A navigational information displaying device sequentially acquires first geographic coordinates of a first ship traveling on the sea, and generates a first object indicative of the first ship at first indication coordinates in an image displayed on a display unit. The device generates a first window indicating the first object and moving in the image in association with movement of the first object or an indication viewpoint, accepts a specification of second indication coordinates in the image from a user, and generates a second window indicating the second indication coordinates. The device acquires second geographic coordinates corresponding to the second indication coordinates, and calculates navigational information including a distance between the first and second geographic coordinates. The device displays the first object, the first window, the second window, and the navigational information in the image, and controls the first and second windows to not overlap with each other.
A high frequency circuit and radar device is disclosed. The high frequency circuit includes a microstrip line (MSL), a suspended line (SML), and a connector (MTP). The MSL includes a dielectric substrate having opposing first surfaces and second surfaces, a first signal conductor arranged on the first surface, and a ground conductor arranged on the second surface. The SML includes a dielectric substrate, a second signal conductor arranged on the first surface, and a metal housing arranged from the second surface through a cavity. The MTP includes a dielectric substrate, a signal conductor connecting the first signal conductor and the second signal conductor, and a metal housing arranged from the second surface through a lower cavity. The height of the lower cavity gradually increases from the first end to the second end.
G01S 7/03 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
The present disclosure proposes a receiving device, an abnormality detecting method, and an abnormality detecting program, which are capable of detecting an abnormality related to a reference signal after the reference signal is outputted. The receiving device includes an output part, an input part, and processing circuitry. The output part outputs a first signal that is a periodical reference signal generated based on a positioning signal to a first transmission line connected to an external device. The input part accepts an input of a second signal that is a returning signal of the first signal of the first transmission line from the external device side via a second transmission line. The processing circuitry detects an abnormality related to the reference signal based on a signal characteristic of the second signal.
A transceiver system of a pulse signal is provided with a transmission signal generator configured to generate a transmission signal, a transceiver configured to transmit a pulse signal corresponding to the transmission signal and receive an echo signal corresponding to the transmission signal from a detection range, a pulse compression filter configured to compress the echo signal received by the transceiver, and an echo-stretch filter configured to stretch the compressed echo signal with a group of weight elements being set larger for a center and being set smaller for edge sides in a depth direction.
G01S 3/48 - Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
53.
SHIP MONITORING SYSTEM, SHIP MONITORING METHOD, AND INFORMATION PROCESSOR
A ship monitoring system makes it easier to grasp a heading of another ship, and includes a first data generating part, a second data generating part, and processing circuitry. The first data generating part generates first ship data indicative of a position and a velocity of a first ship. The second data generating part generates second ship data indicative of a position and a velocity of a second ship. The processing circuitry calculates a risk value indicative of a risk of the first ship and the second ship colliding each other, for each point on an estimated course of the second ship, based on the first ship data and the second ship data, when assuming that the first ship changes the course and reaches the point. The processing circuitry displays a risk area indicative of a heading of the second ship at the point where the risk value is more than a threshold.
B63B 43/18 - Improving safety of vessels, e.g. damage control, not otherwise provided for reducing collision damage
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
A sonar device including a transmitter, a transducer, and processing circuitry is provided. The transmitter is configured to transmit a transmission signal. The transducer is configured to project ultrasonic waves in a water body, the ultrasonic waves being generated based on the transmission signal; receive reflected ultrasonic waves from one or more objects in the water body; and generate a reception signal based on the reflected ultrasonic waves. The processing circuitry is configured to generate a plurality of reception beams based on the reception signal; detect a seafloor among the one or more objects based on the plurality of reception beams; determine a limit incidence angle at which the seafloor is detected; extrapolate a shoal line based on the limit incidence angle, the extrapolated shoal line connecting with the detected seafloor; and detect a potential shoal hazard based on a determined depth of the extrapolated shoal line.
A fish species discrimination system is provided with a signal receiver configured to receive a reflection signal from a water body, a data receiver configured to obtain fish information, and a user interface communicatively coupled to the data receiver, and configured to accept at least one user input related to at least one target fish. Further, the fish species discrimination system comprises processing circuitry communicatively coupled to the signal receiver, the data receiver, and the user interface. Further, the processing circuitry is configured to measure a depth of the at least one target fish, measure a size of the at least one target fish, and generate a display signal based at least on the depth and the size of the at least one target fish.
G01S 15/96 - Sonar systems specially adapted for specific applications for locating fish
G01S 7/539 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group using analysis of echo signal for target characterisation; Target signature; Target cross-section
56.
DEVICE, SYSTEM, METHOD, AND PROGRAM FOR LEARNING FISH SPECIES
To provide a fish species learning device, fish species learning system, fish species learning method and a program that can more easily and efficiently acquire annotation data for machine learning. To solve this problem, a server (20) (a fish species learning device) includes a storage unit (202) configured to store echo data of a given amount of time and a control unit (201). The control unit (201) is configured to calculate a feature value related to fish species for each fish school in the echo data of the given amount of time, group the fish schools based on a similarity of the calculated feature values, set a priority for each group based on a priority condition specified for improving an accuracy of fish species discrimination, and, based on the priority of each group, determine the group for which the echo data of the fish school is subjected to annotation processing.
To estimate specific marks related to a navigation of ships such as quays and jetties with high accuracy. The navigation supporting device (10) is provided with a candidate generating unit (30), a selecting unit (40), and a shape estimating unit (50). The candidate generating unit (30) generates a plurality of candidate line segments for constituting a target based on point cloud data including a plurality of point clouds obtained by detecting surroundings of a ship. Based on a positional relationship between the ship and the plurality of candidate line segments, the selecting unit (40) selects an estimated line segment constituting the target from the plurality of candidate line segments. Further, the shape estimating unit (50) estimates the shape of the target based on the selected estimated line segment.
A ship monitoring device includes processing circuitry that accepts a specification of a position in an image displayed on a display unit, acquires first ship data indicative of a position and a velocity of a first ship, acquires a plurality of second ship data indicative of positions and velocities of a plurality of second ships, calculates a collision risk area where a risk of the first ship colliding each of the second ships becomes more than a given value, based on the first ship data and the plurality of second ship data, and displays a plurality of ship objects indicative of the plurality of second ships, and the collision risk area disposed at corresponding positions in the image, and when a specification of the collision risk area is accepted, displays the ship object corresponding to the specified collision risk area so as to be discriminated from other ship objects.
A ship monitoring device includes processing circuitry that acquires first and second ship data indicative of a position and a velocity of a first ship and a second ship. It identifies, a first area of an estimated course of the second ship, where a risk of the first ship and the second ship colliding with each other becomes more than a given value, and a second area separated from the first area in a traveling direction of the second ship. It displays a first collision risk area including the first area, and a second collision risk area including the second area, and displays an end part of the first collision risk area on the second area side and an end part of the second collision risk area on the first area side so as to be discriminated from the remaining end parts.
B63B 49/00 - Arrangements of nautical instruments or navigational aids
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
61.
NAVIGATION ASSISTANCE DEVICE AND NAVIGATION ASSISTANCE METHOD
[Problem] To accurately estimate information indicating the state of a ship before docking. [Solution] This navigation assistance device comprises a ship state detection sensor, a pier information detection unit, and a deviation angle calculation unit. The ship state detection sensor detects the bow orientation. The pier information detection unit detects the pier line of a pier. The deviation angle calculation unit calculates a deviation angle on the basis of the bow orientation and the pier line, the deviation angle being an angle formed by the bow-stern direction of the ship and the direction in which the pier line extends.
[Problem] To provide highly accurate information indicating the state of a ship until docking. [Solution] This navigation assistance device is provided with a ship state detection sensor and a ship track calculation unit. The ship state detection sensor detects ship position and ship acceleration. The ship track calculation unit calculates a ship track on the basis of the ship position and the ship acceleration.
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
B63B 21/00 - Tying-up; Shifting, towing, or pushing equipment; Anchoring
B63B 49/00 - Arrangements of nautical instruments or navigational aids
B63B 79/10 - Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
63.
NAVIGATION ASSISTANCE DEVICE AND NAVIGATION ASSISTANCE METHOD
[Problem] To highly accurately estimate information indicating a ship state until docking. [Solution] This navigation assistance device comprises a host ship state detection sensor, a quay wall information detection unit, a motion state calculation unit, a distance calculation unit, and an arrival state calculation unit. The host ship state detection sensor detects a host ship location, a host ship velocity, and a bow heading. The quay wall information detection unit detects a quay wall line of the quay wall where the host ship is docking. The motion state calculation unit calculates the velocity in the direction of the quay wall on the basis of the host ship velocity, the bow heading, and the line of the quay wall. The distance calculation unit calculates the distance between the host ship and the quay wall on the basis of the host ship location and the quay wall. The arrival state calculation unit calculates an arrival state including at least one among a quay wall arrival prediction time of the host ship, a prediction velocity at the time when the host ship arrives at the quay wall, and a deflection angle at the time when the host ship arrives at the quay wall on the basis of the velocity in the direction of the quay wall and the distance between the host ship and the quay wall line.
The purpose is to provide a dual-frequency fish finder, a dual-frequency transmission method, and a program capable of suppressing noise based on interference waves of other frequencies in an echo image of each frequency when transmission waves of two frequencies are transmitted. A dual-frequency fish finder includes a processing circuitry. The processing circuitry is configured to transmit a first frequency signal during a reception period of the second frequency signal in a second transmission cycle between a transmission timing of the second frequency signal and an ending timing of a reception period of the first frequency signal, and to transmit the second frequency signal, having a different frequency from the first frequency signal, during a reception period of the first frequency signal in a first transmission cycle between a transmission timing of the first frequency signal and an ending timing of a reception period of the second frequency signal.
A fish finder system is provided with a capture device information input terminal configured to input a capture device information, a capture device dropping point input terminal configured to input a dropping point at which a capture device is dropped, a tidal current input terminal configured to input tidal current information including a tidal current direction and a tidal current speed, and processing circuitry communicatively coupled to the capture device information input terminal, the capture device dropping point input terminal, and the tidal current input terminal. The processing circuitry is configured to calculate a drift amount of the capture device relative to the dropping point and calculate a capture device arrival point at which the capture device arrives in the water.
The present disclosure relates to provide a power distributor. A power distributor includes a dielectric substrate, a rectangular patch resonator, a first input terminal, a first output terminal, and a second output terminal. The rectangular patch resonator is configured to be formed on the dielectric substrate, having a width corresponding to 1/2 wavelength of a fundamental wave, having an input side and an output side mutually facing, extending in the width direction. The first input terminal is configured to be connected to a first side relative to a center of the input side. The first output terminal is configured to be connected to the first side relative to the center of the output side. The second output terminal is configured to be connected to a second side opposite to the first side relative to the center of the output side.
The present disclosure relates to provide an antenna apparatus, a transmitter, and a radar. An antenna apparatus includes a dielectric substrate, a first patch antenna and a second patch antenna configured to be formed adjacent to each other on a first principal surface of the dielectric substrate; an antenna pattern including a first transmission line and a second transmission line, electrically connecting the first patch antenna and the second patch antenna, respectively; and a ground pattern formed on a second principal surface opposite to the first principal surface of the dielectric substrate; wherein the first transmission line and the second transmission line are configured to be formed by maintaining a predetermined interval, and the interval between some modules are wider than an interval between other modules.
A waveguide filter is provided. The waveguide filter comprises at least one waveguide resonator that resonates radio waves in a TE mode. The waveguide resonator is provided with a coupling window to which an input waveguide line or an output waveguide line is connected. The coupling window has two long sides extending in a longitudinal direction and facing in a short-side direction, wherein a middle part of at least one of two long sides is farther from another long side than both side parts. Selection Diagram: Figure 2
A filter apparatus is provided. The filter apparatus comprises a resonator with adjustment, an adjustment section, a first propagation path, and a second propagation path. The resonator with adjustment propagates a fundamental wave and harmonics of the fundamental wave. The adjustment section is provided in the resonator with adjustment for adjusting a phase of the harmonics of the fundamental wave to an opposite phase. The first propagation path is formed via the resonator with adjustment, and the second propagation path is formed not via the resonator with adjustment. The harmonics of the fundamental wave adjusted to the opposite phase propagating through the first propagation path, and the harmonics of the fundamental wave propagating through the second propagation path are synthesized. Selection Diagram: Figure 2
The present disclosure provides an image generating device that includes processing circuitry configured to acquire positional information indicative of a position of a water-surface movable body where an imaging device is to be installed, acquire posture information indicative of a posture of the water-surface movable body, acquire additional display information including information indicative of positions of a plurality of locations, generate three-dimensional display data for displaying a graphic indicative of the additional display information by superimposedly placing the graphic on a water surface portion of an image outputted from the imaging device based on the positional information, the posture information, and the positions of the plurality of locations included in the additional display information, and output the graphic rendering the three-dimensional display data.
A time until highly accurate position measurement starts is estimated. The positioning device includes processing circuitry configured to perform position measurement using carrier phases of a plurality of position measurement signals to calculate a position measurement result and an accuracy index of the position measurement result. The processing circuitry estimates the predicted convergence time of the position measurement based on the accuracy index.
To provide a fish species learning device, a fish species learning method and a program that can perform machine learning for fish species identification with better accuracy. To solve this problem, a server 20 (fish species learning device) includes a storage unit (202) that stores annotation data for each unit echo image (Pn, Pn+1), and a control unit (201). The control unit (201) extracts a first annotation data and a second annotation data of a fish school extending over a first unit echo image (Pn) and a second unit echo image (Pn+1) from the annotation data of the first and second unit echo images, respectively, the first and second unit echo images (Pn, Pn+1) being temporally consecutive in time and generates the annotation data of the entire fish school that extends over the first and second unit echo images by integrating the extracted first and second annotation data.
A ship monitoring system includes processing circuitry. The processing circuitry estimates an estimated position of a first ship after a first period of time in each direction, based on first ship data including a position and a velocity of the first ship, by using a first formula, in case assuming that the first ship travels after the first ship changed the course at the current position into an arbitrary direction. The processing circuitry estimates an estimated course of a second ship and an estimated position of the second ship after a second period of time, that is included in the estimated course of the second ship, based on second ship data including a position and a velocity of the second ship, by using a second formula.
A patch array antenna, an antenna, and a Radio Detecting and Ranging (RADAR) apparatus are disclosed. The patch array antenna is provided with a dielectric substrate and a plurality of antenna elements formed on the dielectric substrate. The patch array antenna is arranged in a first direction (longitudinal direction L) and connected in series. At least one terminal of at least one input terminal and at least one output terminal connected to at least one antenna element among the plurality of antenna elements is connected at a position away from the centerline extending in the first direction of the antenna element. The antenna includes a plurality of patch array antennas and the RADAR apparatus is formed using the antenna.
G01S 7/03 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
H01Q 21/08 - Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along, or adjacent to, a rectilinear path
A temperature of an electronic circuit device such as an integrated circuit is measured with high accuracy. The electronic circuit device (10) includes a main processor (20) and a temperature measurement module (30). The main processor (20) can execute predetermined signal processing. The temperature measurement module (30) generates a signal having a correspondence relationship with the temperature of the main processor (20) under a mode in which the temperature measurement module is driven at a predetermined low power consumption or less and the thermal resistance between the temperature measurement module and the main processor (20) is a predetermined thermal resistance value or less.
G01K 7/20 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer in a specially-adapted circuit, e.g. bridge circuit
G01K 15/00 - Testing or calibrating of thermometers
A slot array antenna includes a waveguide and a horn. The waveguide has a first surface including multiple slots arranged along a longitudinal direction of the first surface to radiate radio waves. The width of the first surface in the lateral direction is greater than half of a wavelength of the radio waves. The horn, fixedly attached to the waveguide, enlarges towards a radiation direction of the radio waves. The horn has upper and lower portions bent inwards twice with respect to a lateral direction of the first surface to form first and second narrow openings. An opening width of the first narrow opening is less than the width of the first surface. An opening width of the second narrow opening is less than or equal to two fifth of the wavelength. Thus, a side lobe generated due to horizontal polarization of the radio waves is suppressed.
Provided is a generation method for a learning model that can efficiently estimate altitude-by-altitude water vapor densities or precipitable water amounts. According to the present invention, a generation method for a learning model involves: acquiring training data that includes first measurement data measured by a microwave radiometer and altitude-by-altitude water vapor densities or precipitable water amounts obtained from second measurement data measured by a radiosonde: and, on the basis of the acquired training data, generating a learning model that, when first measurement data has been inputted, outputs altitude-by-altitude water vapor densities or precipitable water amounts.
G01W 1/10 - Devices for predicting weather conditions
G01N 22/00 - Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
[Problem] To more suitably control the frequency of a carrier signal given to a mixer in a tuning process. [Solution] An automatic tuning device comprises: an output unit that outputs a tuning control voltage for adjusting the frequency of a carrier signal to be given to a mixer; an acquisition unit that acquires a tuning instruction voltage which indicates the intensity of a component of a prescribed frequency in an output signal of the mixer; a setting unit that sets a reference value on the basis of a prescribed range, which includes a first level that is a tuning control voltage corresponding to the maximum tuning instruction voltage, in a first period; a calculation unit that calculates an index value on the basis of the result of scanning of a first range including the first level, in a second period; and a determination unit that determines the output level of a tuning control voltage which is output by the output unit, on the basis of the result of comparing the index value and the reference value.
G01S 7/28 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group - Details of pulse systems
79.
FISH SPECIES DISCRIMINATION SYSTEM, SERVER, FISH SPECIES DISCRIMINATION METHOD AND PROGRAM
To provide a fish species discrimination system, a server, a fish species discrimination method, and a program that can improve the accuracy of fish species discrimination results using a machine learning model. To solve this problem, a fish species discrimination system 1 comprises an echo data acquisition unit 110 that acquires echo data in water, a storage unit 202, and a control unit 201. The storage unit 202 stores a machine learning model that outputs prediction probabilities for each fish species based on the echo data, know-how information for each fish species related to the fish school set by the user, and a know-how model that modifies prediction probabilities for each fish species based on the know-how information. The control unit 201 determines the fish species of the fish school based on the modification result obtained by modifying the prediction probabilities for each fish species acquired by the machine learning model by the know-how model.
[Problem] To achieve a desired filter characteristic by suppressing the influence caused by a dielectric substrate. [Solution] This filter 10 comprises: a dielectric substrate 90; a first strip line that is formed on the dielectric substrate 90; resonators 20, 30 that are coupled to the first strip line; and a second strip line that is coupled to the resonators 20, 30 and that is formed on the dielectric substrate 90. The resonators 20, 30 each comprise: a plurality of inductor elements each constituted by a rectangular conductor formed on the dielectric substrate 90 and having a long side direction and a short side direction; and capacitor elements that connect the plurality of inductor elements. The resonators 20, 30 each include a series resource circuit constituted by the plurality of inductor elements and the capacitor elements. The length of each inductor element in the long side direction is equal to or less than the half-wavelength of electromagnetic waves transferred by the filter 10.
[Problem] To provide an underwater detecting device, a transmission condition optimization method, and a program capable of simply and accurately optimizing a transmission condition of an ultrasonic transducer included in a transducer. [Solution] A fish detecting device 100 (underwater detecting device) comprises: a transmission circuit 103 for supplying a transmission voltage and a transmission current to an ultrasonic transducer 21; a transmission voltage measuring circuit 108 for measuring the transmission voltage supplied to the ultrasonic transducer 21; a transmission current measuring circuit 109 for measuring the transmission current supplied to the ultrasonic transducer 21; and a control circuit 101 for optimizing a transmission condition of the ultrasonic transducer 21 on the basis of the transmission voltage measured by the transmission voltage measuring circuit 108 and the transmission current measured by the transmission current measuring circuit 109.
To more reliably achieve the turn intended by the operator without making major system changes. The ship control device is provided with an input unit for inputting a maneuvering command value related to the operation control of the ship and a control unit for generating and outputting a steering angle command signal and a throttle command signal to the ship based on the maneuvering command value. If the maneuvering command value is in the intermittent control range, the control unit outputs a throttle command signal with an intermittent control waveform having a Hi level and a Low level.
B63H 25/42 - Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
83.
APPARATUS AND METHOD FOR CHECKING STIRRING QUALITY OF A CHEMICAL ANALYZER
The present disclosure provides an apparatus (200) for checking stirring quality of a chemical analyzer (100). The apparatus includes a stirrer (202) configured to generate agitation of a test liquid (210) in a first cuvette (212). The apparatus includes a convection generator (208) configured to generate thermal convection of the test liquid. The thermal convection is generated due to temperature difference caused by providing different temperature to the first cuvette. The apparatus includes a photometric device (204) configured to radiate light through the test liquid and continuously generate an output signal upon receipt of the radiated light through the test liquid. Further, the apparatus includes a determination module (206) configured to determine photometric data associated with absorbance values of the test liquid. The determination module is configured to determine at least one metric representing the stirring quality of the test liquid based on the photometric data.
To provide a fish species discrimination method, a server, a program that can improve the accuracy of fish species discrimination results by machine learning models, and a fish species discrimination system. To solve this problem, a fish species discrimination method acquires feedback information associating echo data with fish species, stores the acquired feedback information by associating the feedback information with attributes including at least the fishing styles are used, generates an individual model (312) for fish species discrimination for each attribute by machine learning using multiple feedback information for which the attributes are identical, and uses the generated individual models to determine fish species by echo signal being transmitted into water body and reflected by an object in the water body corresponding to the attributes.
A disturbance estimation apparatus including a navigation data receiver, a thrust data receiver, and processing circuitry is provided. The navigation data receiver acquires navigation data including an actual position and time of the ship on a water surface. The thrust data receiver receives thrust data indicating a magnitude and a direction of a thrust force of the ship. The processing circuitry estimates a predicted position of the ship under an absence of a disturbance condition at a predetermined time in the future using a first state estimation model based on the navigation data and the thrust data and determines disturbance data including a drift direction of the ship drifted by an external force based on a difference between the predicted position estimated by the first state estimation model and an actual position of the ship at the predetermined time.
A navigation route planning apparatus includes processing circuitry configured to receive a planned route indicating a route and a current course direction of a movable body, receive movable body information that includes a position, a travelling direction, and a speed of the own ship, receive obstacle information that includes a position, a traveling direction, and a speed of an obstacle, determine a collision risk value associated with the planned route along the current course direction based on the movable body information and the obstacle information, and determine whether the movable body requires to at least one of evade the planned route and continue traversing on the planned route based on the collision risk value.
A disturbance estimation apparatus including a navigation data receiver, a thrust data receiver, and processing circuitry is provided. The navigation data receiver acquires navigation data including an actual position and time of the ship on a water surface. The thrust data receiver receives thrust data indicating a magnitude and a direction of a thrust force of the ship. The processing circuitry estimates a predicted position of the ship at a future point in time and a predicted arrival time of the ship to reach the predicted position by inputting the navigation data and the thrust data into a first trained model, and determines disturbance data including a drift direction and drift speed of the ship drifted by an external force based on a difference between the predicted position estimated by the first trained model and the actual position of the ship at the predicted arrival time.
B63B 79/15 - Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers for monitoring environmental variables, e.g. wave height or weather data
B63H 25/04 - Initiating means for steering automatic, e.g. reacting to compass
B63B 49/00 - Arrangements of nautical instruments or navigational aids
A slot array antenna that includes radiation, base, and grating plates is disclosed. The radiation plate has a first surface having multiple slots to radiate radio waves, second and third surfaces forming a horn shape, and proximal and distal connecting members. The base plate has first, second, and third surfaces forming a U-shape, and notches. The connecting members of the radiation are removably insertable into the notches to assemble the slot array antenna for the radiation of the radio waves and to suppress noise signals.
Various embodiments of the present disclosure provide an apparatus and method for determining the target area associated with the vessel. The apparatus includes a motion data receiver and processing circuitry. The motion data receiver is configured to determine a motion-related data of a vessel. The processing circuitry is communicably coupled to the motion data receiver. Further, the processing circuitry is configured to cause the apparatus to determine a change in a moving direction of the vessel based at least on the motion-related data of the vessel. Furthermore, the processing circuitry is configured to adaptively determine a target area associated with the vessel based on the change in the moving direction of the vessel, thereby enabling the apparatus to determine the target area based on the change in the moving direction of the vessel.
An obstruction zone generation device (3) for a movable body (1) includes a calculation information generation module (31) to generate calculation information based on sensor information acquired by one or more information acquisition devices (2), an obstruction zone calculation module (32) to calculate an obstacle zone by target (OZT) for each target ship of one or more target ships (204a-204d) and generate OZT information, a mask area determination module (33) to determine for each target ship of the one or more target ships (204a-204d) whether to mask the OZT of the respective target ship in the OZT information based on a direction of the respective target ship and generate output information, and a display information generation module (34) configured to generate OZT display information for displaying the OZT of the one or more target ships (204a-204d) based on the output information and the OZT information.
B63B 43/18 - Improving safety of vessels, e.g. damage control, not otherwise provided for reducing collision damage
B63B 49/00 - Arrangements of nautical instruments or navigational aids
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
An underwater detection device includes a transmitter, a receiver, an actuator, a controller, and a signal processor. The transmitter transmits a transmission wave. The receiver receives a reflection wave of the transmission wave. The actuator rotates the transmitter and the receiver in a mutually synchronized fashion. The controller makes the transmitter transmit a plurality of transmission waves at mutually different frequencies in order, for every given unit rotation angle. The signal processor generates an echo signal for indication in a direction of the unit rotation angle based on a reception signal at each of the frequencies acquired from a range of the unit rotation angle.
G01S 15/42 - Simultaneous measurement of distance and other coordinates
G01S 7/52 - RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - Details of systems according to groups , , of systems according to group
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
92.
SHIP INFORMATION SHARING SYSTEM, SHIP INFORMATION SHARING APPARATUS, AND SHIP INFORMATION SHARING METHOD
[Problem] To provide a ship information sharing system wherein information displayed on the reception side can be grasped on the transmission side. [Solution] This ship information sharing system comprises: a radar that is equipped on a ship and generates echo data including echo intensity values for bearings and distances with reference to the ship; a ship information sharing apparatus that generates volume-reduced echo data having a less data volume than the echo data, and displays information based on the volume-reduced echo data; a communication device that transmits the volume-reduced echo data to the outside of the ship; and a ship information collection apparatus that acquires the transmitted volume-reduced echo data and displays the information based on the volume-reduced echo data.
[Problem] To calculate a highly reliable precision index using only a GNSS signal. [Solution] This position measurement device 10 comprises a reception unit 20, a position measurement calculation unit 30, an individual precision index calculation unit 41, and an integrated precision index calculation unit 42. The reception unit 20 receives position measurement signals from a plurality of position measurement satellites SAT. The position measurement calculation unit 30 uses the received plurality of position measurement signals to perform a position measurement calculation. The individual precision index calculation unit 41 uses an error covariance matrix used in the position measurement calculations, a carrier phase from the position measurement signal, or a position measurement result from the position measurement calculations to calculate a plurality of mutually different individual precision indexes. The integrated precision index calculation unit 42 uses the plurality of individual precision indexes to calculate an integrated precision index.
[Problem] To provide a ship information sharing device capable of sharing echo data while suppressing an amount of data. [Solution] This ship information sharing device comprises: an acquiring unit for acquiring echo data generated by a radar installed in a ship, the echo data including echo intensity values for each azimuth and distance relative to the ship; a thinning-out processing unit for thinning out values corresponding to at least one of an azimuth direction and a distance direction, among the echo intensity values included in the echo data, to generate lightweight echo data having a smaller amount of data than the echo data; and a transmission processing unit for transmitting the lightweight echo data to the outside of the ship.
[Problem] To provide a ship information sharing device capable of sharing an amount of navigation related data suited to a communication channel capacity. [Solution] This ship information sharing device comprises: an acquiring unit for successively acquiring navigation related data relating to navigation of a ship, detected by means of a detecting appliance installed in the ship; a communication channel capacity acquiring unit for acquiring a communication channel capacity of a communication channel to a ship information collecting device; a thinning-out processing unit which, in accordance with the communication channel capacity, changes a frequency at which the navigation related data are included in a transmission dataset that is successively transmitted to the ship information collecting device; and a transmission processing unit for transmitting the transmission dataset to the ship information collecting device.
This analysis system 1 comprises: an electric stimulus device 2 which applies an electric stimulus formed of short pulses on a muscle; an ultrasonic wave pulse echo device 3 which transmits ultrasonic waves to the muscle and receives a reflected ultrasonic wave; and an analysis unit 33 which analyzes, on the basis of the reflected ultrasonic wave, contraction characteristics of the muscle at the time of a simple contraction response of the muscle with respect to the electric stimulus.
Proper setting of feedback control according to the ship.
Proper setting of feedback control according to the ship.
The ship control device includes processing circuitry configured to set the ship characteristic parameters of the combined system of first order lag and dead time, which integrates the behavior of the rudder and the behavior of the ship. Using the ship characteristic parameters, the processing circuitry is further configured to calculate the control parameters of feedback control with respect to the rudder angle of the rudder. Using the control parameters, the processing circuitry is further configured to perform feedback control.
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
B63H 25/04 - Initiating means for steering automatic, e.g. reacting to compass
G05D 1/02 - Control of position or course in two dimensions
98.
DISTURBANCE ESTIMATING APPARATUS, METHOD, AND COMPUTER PROGRAM
A disturbance estimation apparatus that includes a position data receiver, a thrust data receiver, and processing circuitry is provided. The position data receiver receives position data indicating a position of a ship. The thrust data receiver receives thrust data indicating a thrust force driving the ship during navigation. The processing circuitry determines a magnitude of the thrust force based on the thrust data, and determines, based on the position data, disturbance data including a drift direction in which the ship drifts due to an external force and a drift speed of the ship while the thrust force is less than a threshold value. The processing circuitry outputs the disturbance data that indicates disturbance acting on the ship and assists to control movement of the ship for automatically maintaining a selected position or heading direction of the ship.
G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
G05B 11/36 - Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
G05D 1/08 - Control of attitude, i.e. control of roll, pitch, or yaw
G01S 19/01 - Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
99.
AUGMENTED REALITY VESSEL MANEUVERING SYSTEM AND METHOD
Various embodiments of the present disclosure provide an augmented reality (AR) vessel maneuvering system and method capable of intuitively and easily setting at least one of: a target position and an attitude of a vessel. The AR vessel maneuvering system includes processing circuitry configured to generate an image including a vessel object representing a vessel in a region corresponding to a viewpoint position and a line-of-sight direction, superimpose and display the image including the vessel object on an outside scene of the region corresponding to the viewpoint position and the line-of-sight direction, detect an operation on the vessel object displayed in the image, and output a command to a navigation device used for navigating the vessel to execute a navigation operation corresponding to the operation on the vessel object. The navigation device is a marine navigation device.
The present disclosure provides a frequency deviation estimation device for estimating a frequency deviation upon receiving a digitally modulated non-repetitive signal. The frequency deviation estimation device is equipped with an instantaneous frequency measurement module, a minimum frequency detection module, and a frequency deviation calculation module. The instantaneous frequency measurement module measures the instantaneous frequency of the received communication signal. The minimum frequency detection module detects the minimum frequency of the instantaneous frequency. The frequency deviation calculation module calculates the frequency deviation between the received communication signal and the reference signal for coarse adjustment using the reference minimum frequency and the minimum frequency when the frequency deviation is zero Hertz.
