200 results about "Remote sensors" patented technology

The invention provides a hyperspectral remote sensing image generation method and device based on three-dimensional scene radiation simulation, relates to the technical field of remote sensing data processing, and aims at solving the technical problems that in the prior art, hyperspectral remote sensing image data acquisition cost is too high, data sources are few, and the resolution is low. The method comprises the following steps: determining three-dimensional scene data according to a user demand; inputting the three-dimensional scene data into a pre-constructed hyperspectral imaging simulation model, and executing the following operations: based on a global coordinate system, starting from an original point, and emitting randomly distributed light to a three-dimensional scene object through a virtual imaging plane, the three-dimensional scene object being used for simulating optical response of a real ground object structure after light incidence; determining an intersection point of each light ray and the three-dimensional scene object; according to the geometric information and the material information corresponding to the intersection point, combining atmospheric radiation parameters, calculating radiation information of light and radiation data of an entrance pupil of the remote sensor; and generating a hyperspectral remote sensing picture according to the radiation data at the entrance pupil.

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 utility model provides a guitar plectrum module, which comprises a fixed shell, two remote sensing controllers, two plectrum rods respectively connected with the two remote sensing controllers, two plectrum pieces respectively connected with the two plectrum rods, and a pressure spring connected with the two plectrum rods, and is characterized in that two mounting cavities are arranged in the fixed shell; the two remote sensing controllers are arranged in the two mounting cavities respectively, one end of each shifting piece is rotationally connected with the fixing shell, the free end of each shifting piece is connected with the corresponding shifting rod, one end of each pressure spring is fixed to the side wall of the corresponding remote sensing controller, and the other end of each pressure spring is connected with the corresponding shifting rod. According to the plectrum module for the guitar, the remote sensing controller drives the poking rod to rotate, then the poking rod drives the corresponding plectrum to rotate, the pressure spring is pressed, the plectrum is automatically adjusted, when the plectrum needs to return, the remote sensing controller does not exert force, the poking rod can be reset through the pressure spring, then the plectrum is reset, and compared with a torsion spring, the pressure spring does not exert force, so that the plectrum is more flexible. The structure is simple and installation is convenient.

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.

A ground surface treatment vehicle and systems and methods using the same. In some embodiments, the vehicle may be adapted to autonomously or semi-autonomously identify and optionally treat target areas such as divots on turf surfaces. The vehicle may identify the target area via onboard or remote sensors and autonomously treat the target area by providing a treating material such as infill, seed, particulate matter, and liquids.

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.

The invention discloses a vehicle battery fire extinguishing auxiliary device with an alarm function, and relates to the technical field of vehicle battery monitoring, the vehicle battery fire extinguishing auxiliary device comprises a test bed and a battery body, the battery body is placed above the test bed, the upper end face of the test bed is fixedly connected with a portal frame, and the two sides of the portal frame are provided with communicating grooves and vertical grooves; a connecting pipe is fixedly connected to the portal frame in a penetrating mode, spray heads are arranged below the connecting pipe at equal intervals, and the battery temperature anomaly monitoring mechanism comprises a two-way memory alloy plate and a movable frame which are symmetrically arranged; when the temperature of the battery body reaches a high-temperature phase trigger value of the two-way memory alloy plate, the two-way memory alloy plate is driven to be automatically bent, the alarm is triggered to work, and when the temperature of the battery body reaches the high-temperature phase trigger value of the two-way memory alloy plate, the alarm can be immediately started, so that the alarm is triggered to work. And waiting for the temperature or smoke to reach the threshold value of a remote sensor is not needed, so that the response time is greatly shortened.

The embodiment of the invention provides a satellite load low-light channel cross calibration method adopting complete earth shadow area moonlight irradiation, which comprises the following steps: selecting stable target observation data of a to-be-calibrated satellite low-light instrument and a reference instrument in complete earth shadow area moonlight irradiation, the to-be-calibrated satellite low-light instrument and the reference instrument being imaging radiometers; carrying out low-quality data removal on observation data irradiated by moonlight in a complete earth shadow area of the satellite low-light instrument to be calibrated and the reference instrument; selecting a matching data pair of a satellite low-light instrument to be calibrated and a reference instrument under a cross time matching condition, which allows observation under a multi-moon phase condition, from the observation data from which the low-quality data is removed; calculating lunar radiation based on a lunar phase model, performing spectrum and angle correction on the data of the reference instrument in the matched data pair, and calculating the reference radiance of the to-be-calibrated instrument with the stable target in the complete earth shadow area; and fitting observation data of the satellite low-light instrument to be calibrated in the complete earth shadow area under the multi-moon phase condition in the matched data pair and the calculated reference radiance to obtain a cross calibration coefficient so as to complete the radiation calibration of the satellite low-light instrument. According to the embodiment of the invention, the influence of the solar stray light on calibration can be effectively reduced, and the in-orbit radiation calibration precision of the low-light remote sensor is remarkably improved.

Systems and methods synchronize content of a virtual environment with a state of a physical environment. In aspects, a method includes obtaining sensor data from a network of remote sensors measuring a physical state of a location at a time; generating context specific parameter data based on the sensor data; obtaining context data from a remote virtual reality (VR) system, wherein the context data reflects a current state of virtual content in a virtual environment displayed by the remote VR system; selecting virtual content to be displayed in the virtual environment by the remote VR system based on the context specific parameter data, the context data, and rules; and sending the virtual content to the remote VR system to be displayed to a user, wherein the virtual content reflects a state of the physical location at the time.

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.

The invention relates to the technical field of spaceflight optical remote sensors, and particularly discloses a calibration method and system for a secondary mirror gasket of a high-resolution space camera, and the method comprises the following steps: 1, carrying out the calibration of a secondary mirror gasket to be repaired in a state that the secondary mirror gasket to be repaired is assembled in the high-resolution space camera; obtaining a first reference point test result of a measurement plane of a secondary mirror installation and adjustment auxiliary tool connected with the secondary mirror structure; 2, when the high-resolution space camera is in the optimal wave aberration state, obtaining a second reference point test result of the measurement plane of the secondary mirror installation and adjustment auxiliary tool connected with the secondary mirror structure; 3, comparing the first reference point test result with the second reference point test result, and calculating to obtain the required grinding thickness of the secondary mirror gasket; and fourthly, the secondary mirror gasket to be repaired is corrected based on the obtained grinding thickness of the secondary mirror gasket. The method is high in calibration efficiency, high in calibration precision and wide in application scene.

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.

A remote sensor for a vehicle includes a first retaining cup disposed on a first end of the remote sensor. The remote sensor also includes a second retaining cup disposed proximate to the first retaining cup, the second retaining cup being configured to mate with the first retaining cup. The remote sensor also includes a sensing device disposed in a hole defined by the second retaining cup, the sensing device being configured to measure at least one characteristic of the vehicle. The remote sensor also includes a flexible PCB having a first end connected to the sensing device and a second end connected or coupled to a controller of the vehicle, wherein at least a portion of the first end of the flexible PCB is retained by the first and second retaining cups.

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 present application discloses a method for image enhancement. The method may include receiving, by at least one processor, a query for an enhanced image of a queried area obtained by a remote sensor at a queried time. The method may include obtaining, by the at least one processor, an image dataset associated with the queried area from the remote sensor. In response to the image dataset including a plurality of image data associated with the queried area obtained by the remote sensor, the method may include generating, by the at least one processor, an enhanced image of the queried area using an intra-model regression model.

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 are provided for automatically actuating preexisting water shut-off valves upon detection of leak conditions. A coupling of a valve actuator is connected to a handle of the valve, such that a motor of the valve actuator causes the selective opening and closing of the valve. A controller obtains water flow data from a non-intrusive flow sensor (e.g., an ultrasonic sensor) clamped onto a pipe attached to the valve in close proximity thereto, as well as obtaining additional sensor data from remote sensors disposed elsewhere in the water supply system (e.g., pressure levels measured by an in-line pressure sensor). When the controller determines a leak condition exists based upon the water flow data and the additional sensor data, it controls the actuator to close the valve. The controller may also test for leaks by periodically shutting the valve and measuring the pressure while the valve is shut.

The invention relates to an arbitrary polyhedron spinning space debris space-based observation light variation curve simulation method. The method comprises the following steps: calculating position vectors of debris and an observation satellite in a geocentric inertial system at the current moment according to orbital elements of the debris and the observation satellite; calculating a sun vector and an observation satellite vector under the debris body system according to the attitude of the debris at the current moment; calculating a sun incident zenith angle and a satellite observation zenith angle of each surface of the debris; calculating the actual effective reflection area of each surface of the fragment; calculating the optical reflectivity of each surface of the fragments based on a BRDF scattering model; calculating the total reflection irradiance of each surface of the fragments; calculating to obtain the apparent magnitude of the fragments at the observation satellite according to an apparent magnitude calculation formula; and on the basis of a preset fragment attitude sequence, repeating the steps to calculate and obtain the light variation curve of the fragments. According to the method, the attitude spinning condition of the debris target is fully considered, and a basis can be provided for designing a space-based debris observation satellite remote sensor and inverting the debris attitude by using the light variation curve.

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.

The invention discloses a method, a device and equipment for optimizing response delay of a wireless remote sensor, and relates to the technical field of wireless communication. The method comprises the steps that a test instruction is sent to a wireless remote sensor in a preset sending mode, and the sending moment of sending the test instruction is recorded; receiving a confirmation signal returned by the wireless remote sensor based on the test instruction, and recording a receiving moment of receiving the confirmation signal; obtaining response delay according to the sending time and the receiving time, decomposing the response delay, and determining delay types included in the response delay and delay time corresponding to each delay type; and for each delay type, determining a delay source of the delay type, and optimizing the delay time corresponding to the delay type according to the delay source. In the embodiment of the invention, the delay time can be optimized according to the delay type, at the moment, rapid arrival of the key instruction can be ensured, and millisecond-level response requirements of industrial control, automatic driving and other scenes are met.

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.

According to one aspect of the present disclosure, a method of image enhancement is provided. The method may include receiving, by at least one processor, a query for an enhanced image of a queried region obtained by a remote sensor at a queried time. The method may include obtaining, by the at least one processor, an image dataset associated with the queried region from the remote sensor. In response to the image dataset including a plurality of image data associated with the queried region obtained by the remote sensor, the method may include generating, by the at least one processor, the enhanced image of the queried region using an intra-modal regression model.

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.