117 results about "Remote sensors" patented technology

The invention discloses an upper limb shoulder joint accurate evaluation and rehabilitation training system and method based on a remote sensor, and is applied to the technical field of rehabilitation medical engineering.The method comprises the steps that original multi-modal data is preprocessed, shoulder joint motion data and voice data are processed in combination with baseline data, and a multi-modal standardized data set is generated; multi-dimensional feature extraction is carried out on the multi-modal standardized data set to generate a feature set, and the feature set comprises time domain features, frequency domain features, nonlinear dynamic features and voice features; on the basis of the feature set, a comprehensive evaluation score of the shoulder joint function is calculated by using a linear and nonlinear combined comprehensive scoring model; inputting the feature set and the comprehensive evaluation score into a pre-trained LSTM time sequence prediction model, predicting a rehabilitation trend and abnormal fluctuation, and generating future score change and rehabilitation inflection point early warning information; and based on the comprehensive evaluation score, the prediction result and multi-modal feature fusion analysis, generating rehabilitation training feedback and adjustment information.

The invention discloses an on-orbit spectrum precision test method and equipment for an ultraviolet hyperspectral remote sensor, and the method comprises the steps: selecting a high-resolution reference solar spectrum higher than the spectral resolution of the ultraviolet hyperspectral remote sensor, and calculating a reference standard solar spectrum according to the high-resolution reference solar spectrum; establishing a reference wavelength library according to the reference standard solar spectrum of the ultraviolet band, and selecting a standard absorption line meeting conditions as a reference wavelength; screening an absorption peak center position of the observation spectrum, finding an absorption peak center closest to the reference wavelength in combination with the reference wavelength library, and constructing a peak searching database of the absorption peak center of the discrete spectrum; and calculating a difference value between the central wavelength calculated according to the peak searching database and the corresponding reference wavelength to obtain the spectrum calibration precision of the ultraviolet hyperspectral remote sensor. According to the method, the precision difference of the spatial dimension can be identified, the distribution of the overall system deviation is quantified, and reliable support is provided for on-orbit precision verification and performance optimization of the ultraviolet hyperspectral remote sensor.

The invention relates to a water quality remote sensing inversion method based on an interpretable hybrid physical guidance neural network (HPGNN) model. The method comprises the following steps: collecting geotagged in-situ water quality parameter concentration with global representativeness and 1nm hyperspectral remote sensing reflectivity subjected to quality assurance and radiation correction from global lakes; converting the reflectance into equivalent reflectance of a sensor wave band by utilizing a spectral response function of a remote sensor; extracting space-time matched water surface remote sensing reflectivity by utilizing GEE; defining a mixed self-defined loss function fusing data driving, regularization and physical loss; and aiming at each water quality index, developing and training an interpretable high-precision spectrogram neural network model HPGNN using the converted reflectivity and the mixed self-defined loss function. Based on global representative data, the accurate water quality evaluation method is developed by mixing the self-defined loss function, short-term and long-term space-time dynamic analysis is achieved, an effective technical means is provided for water pollution prevention and control, and the method has wide application and popularization value.

A wireless sensor system for a vehicle includes a controller, a wireless transmitter in electronic communication with the controller, a sensor, and a generator device. The generator device includes a wireless receiver in wireless communication with the wireless transmitter. The generator device further includes an electric-to-mechanical transducer in electronic communication with the wireless receiver and a piezoelectric or triboelectric generator proximate to or in contact with the electric-to-mechanical transducer. The generator device further includes an energy-storage device. The energy storage device includes an input in electronic communication with the piezoelectric or triboelectric generator, and an output in electronic communication with the sensor.

This invention provides a three-stage sleeve-type deployable arm time-release deployment device, belonging to the technical field of variable structure space remote sensors. This three-stage sleeve-type deployable arm time-release deployment device includes a synchronous drive device, on one side of which is arranged a drive pulley mechanism, a sleeve component, a deployment and retraction component, and a time-release mechanism. The three-stage sleeve-type deployable arm time-release deployment device of this invention has a simple structure and does not present significant technical obstacles in driving, control, and manufacturing due to the increase in the length of the sleeve-type deployable arm. The drive mechanism achieves the deployment of the sleeve-type deployable arm through a pulley system, requiring only a single motor for control, making it convenient to use, highly expandable, and without limitations on the axial dimension of a single-stage sleeve-type deployable arm. Using the time-release mechanism, the sleeve-type deployable arm can be deployed stage by stage in a preset sequence, reducing the output power of the drive device and lowering the impact during deployment.

Devices, systems, and techniques for monitoring patient movements using remote sensors are described herein. For example, processing circuitry may be configured to control a user interface of a mobile computing device to deliver a notification to a user to perform at least one movement test and receive, via the user interface, user input requesting to begin the at least one movement test. Responsive to receiving the user input, the processing circuitry can control the user interface to display a set of instructions for the at least one movement test during a period of time, control a camera of the mobile computing device to generate image data of the patient corresponding to the at least one movement test during the period of time, and determine, based on the image data, one or more metrics corresponding to the at least one movement test.

The utility model is suitable for the technical field of methane telemeters, and provides a novel off-axis handheld laser methane telemeter which comprises a laser telemetering module, a shell assembly and a handheld assembly. The laser telemetering module comprises a photoelectric shell, a receiving lens and a main control board; a detection laser emission module and an indication laser emission module are arranged in the photoelectric shell, and the detection laser emission module and the receiving lens are installed at an included angle of 10 degrees; the shell assembly comprises a shell body, a sighting telescope and a display screen. The handheld assembly comprises a handle body, a key and a battery; the handle body is connected with the shell body; the button is arranged on the handle body, and a battery is further arranged in the handle body. The device is high in precision detection and strong in portability and durability; the whole machine is light in weight and can be operated by a single hand; and maintenance can be facilitated through a modular structure.

The invention relates to an exception tool for a virtual security network system. A virtual security net system includes: at least one active remote sensor configured to output energy to establish an energy security net and to detect reflected energy reflected from an object disposed in the energy security net; and a processor in signal communication with the at least one active remote sensor. The processor is configured to determine an energy intensity of the reflected energy and, in response to the energy intensity exceeding an energy intensity threshold, identify the object as an exceptional tool allowed to be disposed in the energy security net.

Systems and methods dynamically adapt network policies for mobile devices by accessing context-based values to allocate or restrict capabilities on the mobile devices or within the network. Context-based values may include position or velocity as well as more general environment features such as proximity of other devices, the presence or absence of other wireless signals or network traffic, parameters measured by local or remote sensors, user credentials, or unique user or signal inputs to the device. Relevant capabilities may include access to hardware and software interfaces and related parameter sets including priority settings.

A portable network router system for communicating with a remote sensor is provided. The system comprises a transceiver configured to transmit and receive radio signals, and comprises a storage device configured to store program instructions and downloaded data. The system comprises a random access memory configured to temporarily store program instructions. The system comprises one or more processors operably coupled to the random access memory, the storage device and the transceiver.

A system and method of tracking a flexible elongate instrument within a patient is disclosed herein. The system is configured to obtain remote localization measurement data of the flexible elongate instrument and obtain elongation measurement data of the flexible elongate instrument. This data is combined and transformed to a coordinate reference frame to produce a localization of the flexible elongate instrument that is more accurate than the remote localization measurements or elongation measurement data alone. The combined localization is then provided to a localization consumer.

A high-speed serial interface includes a physical layer circuit at a transmit end, a monitor, a clock gating circuit, a control bitstream generation circuit, and a random bitstream generation circuit. The monitor is configured to: when no service data is being sent, instruct the clock gating circuit to stop sending a clock signal to partial modules in the physical layer circuit at the transmit end. The control bitstream generation circuit sends a first control bitstream through a serializer / deserializer (SerDes), to indicate that the transmit end has turned off partial modules in the physical layer (PHY) circuit at the transmit end and so on. The random bitstream generation circuit sends a random bitstream.

The application discloses a kind of multi-temporal absolute radiometric calibration method of remote sensing satellite, using multi-star absolute radiometric calibration coefficient, obtain the apparent reflectivity of multi-star target point;Using the linear relationship of the apparent reflectivity of multi-star target point and the real reflectivity of multi-star target point;Determine the linear slope deviation value under multiple times by multiple linear relationship.The multi-temporal absolute radiometric calibration method of remote sensing satellite disclosed by the application monitors the absolute radiometric calibration accuracy of different calibration periods of multi-star to evaluate the stability of remote sensor responsivity.

A system for controlling a watercraft includes a satellite positioning sensor, a remote sensor, and a controller. The satellite positioning sensor detects a position of a watercraft based on radio waves transmitted from a satellite. The remote sensor detects a position of a target object. When the satellite positioning sensor receives the radio waves transmitted from the satellite, the controller is configured or programmed to obtain the position of the watercraft detected by the satellite positioning sensor and execute a normal automated navigation such that the watercraft is moved along a predetermined navigation route. The controller is configured or programmed to obtain the position of the target object detected by the remote sensor during navigation of the watercraft, and execute a temporary automated navigation to move the watercraft toward the target object when the satellite positioning sensor is interrupted from receiving the radio waves transmitted from the satellite.

A high-precision radiometric calibration method for very high sensitivity infrared sea imaging data is proposed. Firstly, the blackbody calibration data on the infrared remote sensor satellite are used to calculate the radiometric calibration coefficient and detect the blind pixels. Then, the image data are corrected by the primary relative radiometric correction and blind pixel compensation correction. Secondly, a radiometric correction method based on small sample statistics is proposed to remove the residual stripe noise after the primary correction, which further improves the radiometric quality of the infrared image. Finally, the blind pixels in the image are detected and removed.

The present disclosure relates to a method and system for wireless vehicle leveling. The system incorporates a wireless remote sensor featuring an inertial measurement unit, comprising accelerometers, gyroscopes, and magnetometers, to precisely measure the vehicle's tilt in roll, pitch, and yaw axes. The sensor wirelessly communicates with a second computer equipped with a display, providing real-time visualization of the vehicle's current tilt and the necessary adjustments to attain a level position. Additionally, the invention encompasses techniques for eliminating zero-bias caused by magnetic fields and customizing the zero-bias calibration. The method is highly adaptable and compatible with various vehicle types, including recreational vehicles.

In some embodiments, a method of controlling speed of an ego vehicle in a vehicle platoon is provided. Cooperative adaptive cruise control (CACC) commands based on at least one of a vehicle-to-vehicle communication control received from a preceding vehicle and a feedback control based on a sensor output of a long-range sensor of the ego vehicle are provided to a speed controller. In response to detecting an occluded state, a minimum spacing value and a minimum relative velocity value between the ego vehicle and the preceding vehicle are determined based on information received before the detection of the occluded state; a safety speed based on the minimum spacing value and the minimum relative velocity value is determined; and an occluded adaptive cruise control command is provided to the speed controller to maintain a speed of the ego vehicle that is less than or equal to the safety speed.

The utility model relates to the technical field of aquaculture, and discloses a water temperature long-distance temperature measuring device for aquaculture, which comprises a mounting plate arranged on the side wall of a pond main body, a vertical groove is formed in the surface of the mounting plate, a fixing rod is fixedly connected in the vertical groove, a sliding sleeve is slidably sleeved on the surface of the fixing rod, and the sliding sleeve is fixedly connected with the vertical groove. A temperature measuring assembly is arranged on the surface of the sliding sleeve and comprises a [-shaped block, a connecting rod is fixedly connected to the surface of the [-shaped block, a temperature measuring device can be driven by starting a motor to measure the temperature of different depths, and then the vertical temperature gradient of the water body is known; and subsequently, the temperature detector swings under the cooperation of the waved plate and the connecting assembly, and the temperature monitoring of different areas is realized, so that the temperature measurement coverage range is increased, and the flexibility and practicability of the temperature detector are greatly improved.

A device for measuring fluid parameters may be modular or integrally formed. The device is positioned on a machine that includes one or more fluids to be monitored, and the device includes a (1) controller, (2) spacer that connects to a power source and that may include one or more connectors to connect to remote sensors, and (3) an optional manifold through which the fluid may pass. The manifold could include fluid sensors and / or be connectable to a sample bottle for the purpose of taking fluid samples.

This invention belongs to the field of aerospace thermal control technology and discloses a lightweight radiator for space remote sensors based on an embedded heat pipe and a control method. A heat distribution layer is bonded to the upper side of the radiating plate; a honeycomb layer is disposed in the middle of the radiating plate, with a non-radiating surface bonded to the upper side of the honeycomb layer and a radiating surface bonded to the lower side; an embedded heat pipe is inserted through the middle of the honeycomb layer; an external heat pipe is disposed in the heat distribution layer, and a flexible high thermal conductivity material layer is disposed on the outside of the external heat pipe. This invention conducts heat from the remote sensor to the space radiator through the external heat pipe. The high thermal conductivity material is laid on the external heat pipe and the non-radiating surface, allowing heat to be evenly distributed on the non-radiating surface. The embedded heat pipe isotherms the radiating surface, improving the temperature uniformity of the radiating surface and further increasing the heat dissipation efficiency of the space radiator. This effectively solves the contradiction between heat dissipation and radiator size under resource-constrained conditions in space remote sensors. Furthermore, it is lightweight, has good structural strength, and strong earthquake resistance.

1. The name of the design product: hand-held laser gas remote meter. 2. The use of the design product: for hand-held remote concentration of target gas. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

A method for evaluating occluded areas from a vehicle having a first sensor. The method includes receiving a message from the remote sensor unit being configured to detect objects and free space regions within a detection region, wherein the message relates to a free space region within the detection region occluded from the first sensor, obtaining a time delay between a first time when the remote sensor unit generates the message and a second time when a vehicle control unit of the vehicle processes the message, obtaining parameter information relating to the detection region, and obtaining an updated free space region within the detection region based on the obtained time delay and the parameter information of the detection region.

The utility model relates to the technical field of connecting and fixing, and discloses a connecting and fixing device for a remote sensor of a remote sensing unmanned aerial vehicle, which solves the problems that the existing connecting and fixing device for the remote sensor of the remote sensing unmanned aerial vehicle is inconvenient to quickly disassemble according to use requirements, and the working efficiency is influenced. Through the arrangement of the connecting assembly, the rotating rod is rotated, under meshing transmission of the fluted disc and the gear, the gear drives the threaded rod to rotate, the threaded rod moves from the interior of the threaded groove to the interior of the fixing base, the rotating rod is pulled downwards, and the inserting rod moves from the interior of the inserting hole to the exterior of the inserting hole. And then, the fixing seat is rotated, so that the clamping block is moved out of the clamping groove, the sensor is quickly disassembled, the disassembly time is shortened, the working efficiency is improved, and under multiple fixed connection, it is guaranteed that the sensor is conveniently disassembled, and meanwhile, the sensor and the machine shell are firmly installed and connected.

The application discloses a gas concentration visualization method and a master control device. The gas concentration visualization method comprises the following steps: acquiring scanning information of a gimbal remote sensor, and constructing a full-scene graph according to the scanning information; determining a plurality of preset positions of the gimbal remote sensor, and constructing a mapping relationship between the preset positions and a panoramic coordinate system corresponding to the full-scene graph; acquiring gas concentration remote sensing values of the gimbal remote sensor at the preset positions, and estimating a full-scene gas concentration distribution and performing visualization rendering according to the gas concentration remote sensing values of the preset positions and the mapping relationship. The gas concentration visualization method of the embodiment of the application can generate a full-scene gas concentration distribution graph by constructing a mapping relationship between the preset positions and a panoramic coordinate system corresponding to the full-scene graph and according to the gas concentration remote sensing values of the preset positions, can directly display full-scene gas concentration information, and is convenient for users to handle in a timely manner when gas concentration abnormalities occur.

The application discloses a kind of intelligent information processing devices of spaceborne micro-light remote sensor, for the imaging control and optimal focal plane searching of visible micro-light remote sensing camera. For the information flow processing of visible micro-light remote sensing camera, combined with orbit and satellite attitude information, timing imaging with sub-second control accuracy is realized, the focusing mechanism is controlled to reach the optimal focal plane position before imaging, and the imaging parameters, windowing and on-orbit image correction algorithm of the micro-light detector are autonomously regulated and controlled, which improves the efficiency of bus data usage and the proportion of effective image data on orbit.

The application discloses a mountainous area topography measuring system and method based on remote sensing technology, and belongs to the technical field of topography measurement. The system comprises a remote sensor, a remote sensing platform, an information transmission module, a ground receiving platform, an image processing module and a feature extraction module. Feature information of ground object properties and states is extracted, and the extracted feature information is clustered. A topography splicing module is arranged to splice the clustered feature information of ground object properties and states, thereby forming a mountainous area topography measurement map. The application can accurately and objectively measure the mountainous area topography, greatly improve the remote sensing image information processing speed and the efficiency of measuring the mountainous area topography by means of remote sensing technology.

The application discloses a kind of optical systems for realizing multi-angle imaging by single camera, comprising: first multi-angle beam splitter, second multi-angle beam splitter, two-channel shared primary mirror, two-channel shared secondary mirror, two-channel shared third mirror, first two-channel shared folding mirror, second two-channel shared folding mirror, B channel focal plane and A channel focal plane.The application can reduce the volume of remote sensor, and can change the observation angle according to the observation target, which can provide a new design idea for subsequent multi-angle remote sensor.This structure can be widely used in the field of space multi-angle remote sensing observation.

A taillight assembly comprising long-range radio module / circuitry, GNSS location determination circuitry, and secondary short-range radio module / circuitry may be configured to receive messages from various sensors, equipment, and cargo to verify proper operating conditions, determine or notify of potential theft, and facilitate cargo carriage. The short-range and long-range modules may comprise authentication checking to authenticate messages and the priority of messages. Sensors of the taillight assembly may be used to determine removal of, or damage to, the taillight assembly. Remote sensors may be used to transmit, to the short-range module, information indicative of removal or theft of the trailer from a towing vehicle or other condition, and the long-range circuitry may transmit an indication of the theft, removal, or condition, to a third party. Circuitry of the taillight assembly may be powered by a battery within the taillight assembly that is charged during operation of the taillight.

This invention discloses a laboratory geometric distortion calibration method for large-aperture cameras, belonging to the field of aerospace optical remote sensor technology. The method first establishes a demonstration and verification environment for precise calibration of camera geometric distortion, with the target sphere of the laser tracker located at the infinity focal plane of the camera's main lens. The planar reflector is rotated multiple times within the full field of view of the camera's main lens. After each rotation, the target sphere is positioned at the infinity focal plane of the camera's main lens, and the current rotation angle of the planar reflector and the position of the target sphere are tested. Based on each rotation angle of the planar reflector and the position of the target sphere, the principal point, principal distance, and distortion of the camera's main lens are calculated. Through the application of this invention, high-precision calibration of the geometric distortion of large-aperture cameras is achieved.

The invention relates to an ocean water color remote sensing satellite observation signal-to-noise ratio improving method. The method comprises the steps of obtaining design parameters of an optical remote sensor; calculating observation data of the ocean water color remote sensing satellite according to the obtained design parameters of the optical remote sensor; and according to the obtained observation data, calculating to obtain the signal-to-noise ratio of the ocean water color remote sensing satellite observation based on attitude maneuver. The invention provides a method for reducing ground push-broom speed based on satellite pitching maneuver by comprehensively considering factors such as optical remote sensing satellite observation height, optical remote sensor entrance pupil radiance, remote sensor optical system transmittance, detector pixel area, detector response characteristics, optical remote sensing satellite attitude maneuver parameters and the like. Therefore, the purpose of improving the observation signal-to-noise ratio of the ocean water color remote sensing satellite is achieved, and a foundation is laid for estimating the on-orbit signal-to-noise ratio of the ocean water color remote sensing satellite on the ground and ensuring the imaging quality of the optical remote sensor of the ocean water color remote sensing satellite.