551 results about "Transponder" patented technology

According to the novel transponder and the Beidou short message-combined realization function and application method and system, multiple functions are realized by utilizing multiple combinations of ground and vehicle-mounted transponder system equipment, the novel transponder can be applied to multiple scenes, the equipment types can be simplified, the construction cost can be reduced, and the maintenance workload can be reduced; beidou positioning and short message functions, positioning and communication of wireless communication and the like are used as supplements to perfect train operation control and other functions, and the transportation efficiency and safety are improved.

The invention discloses a railway LEU-transponder transmission system lightning stroke fault risk assessment method, and the method comprises the steps: determining a lightning current invasion path through building a lightning stroke transient electromagnetic disturbance calculation model of an electromagnetic sensitive equipment port, and calculating the voltage and current at the port when incoming waves invade. And building an electromagnetic sensitivity test experiment platform of the railway signal system based on the lightning current invasion path and the voltage and current at the port. And performing label category prediction on the to-be-predicted sample point through each support vector machine model in the target model set, and voting each prediction result. According to the invention, a complex transmission relation between lightning transient electromagnetic disturbance and equipment failure risk is established through deep learning. The fault risk of the signal system under the lightning transient electromagnetic disturbance action is predicted through transient electromagnetic effect experimental data of real equipment of the railway signal system, and powerful support is provided for improving the electromagnetic sensitivity of the signal system and guaranteeing stable operation of a railway.

An RFID transponder including a Bluetooth® compatible transceiver (BLEET) is described. The Bluetooth® compatible transceiver may be configured to set data that is transmitted via one or more RFID transceivers in the transponder and to return data received by the RFID transceiver(s) to a client application running, for example, on a user's smart phone. The BLEET may be used for electronic vehicle tracking or tolling. Vehicle occupancy data may be set by the user with the client application via a Bluetooth® connection in connection with high occupancy vehicle tolling and express lane incentive programs. The BLEET may be used in a congestion pricing (CP) toll area, wherein the smart phone determines a toll rate based on the location, when triggered by the BLEET, that the BLEET was read by an RFID reader located on a boundary of the CP toll area.

The invention provides a method for testing a phased array compact range of a high-orbit communication satellite. The method comprises the following steps: unfolding and fixing a whole satellite antenna on the ground; confirming that a test coupler is installed and a cable is connected normally; uploading software to a phased array antenna and confirming that the function is normal; setting a phased array transponder path, switching on the change-over switch, and opening the active single machine and the phased array on the path; after the phased array is preheated through telemetering, system-level testing is carried out, wherein at least one performance parameter such as noise spectrum and equivalent omnidirectional radiation power and functions such as program control pointing and beam hopping are tested; program control pointing function verification is performed according to wave beam program control preset pointing, and the DUT turntable is matched to verify the precision; hopping beam function verification jumps according to a preset time slot, and a Zero Span mode of a frequency spectrograph analyzes a time domain characteristic verification time sequence; and switching the phased array to standby after verification, shutting down after telemetering is normal, and recovering the on-satellite state. In this way, it can be ensured that the integration performance of the phased-array antenna and the transponder system meets the design requirement through quantitative analysis.

The invention discloses a train accurate positioning system based on multi-data interaction, which relates to the technical field of rail transit control and comprises a vehicle-mounted positioning terminal, a trackside cooperative positioning network and a cloud positioning decision platform. According to the invention, the multi-mode satellite receiving module, the inertial measurement unit, the millimeter wave radar and the laser radar module of the vehicle-mounted positioning terminal are used, and the intelligent transponder cluster, the optical fiber positioning sensor and the edge computing node of the trackside cooperative positioning grid are combined, so that real-time acquisition and interaction of multi-source heterogeneous data are realized; a data fusion engine of the cloud positioning decision-making platform is based on a Kalman filtering algorithm, combines a dynamic credibility evaluation model to dynamically distribute weights for data such as satellite signals, ultra wide band distance measurement, optical fiber mileage and radar feature matching according to scenes, and can output sub-meter positioning precision in different environments such as open areas, tunnels and curves. The problem of failure or error accumulation during signal shielding of a single technology is solved, and the deployment cost is remarkably reduced compared with that of a traditional scheme.

The invention discloses an ultra-short baseline positioning method based on a binary short baseline, and belongs to the technical field of underwater acoustic target navigation positioning. The method comprises the following steps: S1, designing a spread spectrum underwater acoustic communication signal for underwater acoustic communication between an ultra-short baseline transceiver and a transponder; s2, solving ultra-short baseline time delay information by adopting a frequency domain correlation method, and obtaining high-precision time delay information through an interpolation method; s3, two sets of transceivers with known positions are installed at the ship end at a preset interval distance, and the two sets of transceivers form a binary short baseline framework; installing at least one group of transponders at the mobile terminal, and obtaining the distance information of the two groups of transceivers and the transponders and the initial position information of the mobile terminal; and S4, based on the two groups of distance information and the initial position information, performing binary short baseline positioning calculation by adopting an iterative optimization algorithm to obtain high-precision position information of the mobile terminal. The ultra-short baseline positioning method based on the binary short baseline is high in positioning precision and high in stability, and can still realize high-precision target positioning in a low signal-to-noise ratio environment.

According to the novel transponder device and the method and device for achieving multiple functions through power line carrier communication, multiple functions such as train positioning and speed measurement, station track occupation recognition, train occupation and integrity check and train-ground communication are achieved through the novel transponder device and the power line carrier communication, and wireless communication technologies such as the power line carrier communication are integrated; the method can be applied to train operation control, train-ground coordination action, locomotive vehicle information management, unmanned stations and train state monitoring in various scenes, can simplify the types of equipment, reduces the construction cost and the maintenance workload, and improves the transportation efficiency and safety at the same time.

The provided are a selectable multi-frequency radio frequency identification (RFID) transponder as well as a non-mechanical method to change an identification code of a selectable multi-frequency RFID transponder. The selectable multi-frequency RFID transponder includes a multi-frequency chip, a first antenna, and a second antenna. The method includes: connecting wirelessly the selectable multi-frequency RFID transponder; establishing a short range link between the selectable multi-frequency RFID transponder and a hand-held terminal; and changing the identification code of the selectable multi-frequency RFID transponder through a mobile application.

Dynamic adjustment of the power amplifier bias of a power amplifier. Circuitry, disposed within an apparatus, measures the power level presently being handled by the power amplifier. The circuitry adjusts the power amplifier bias for a power amplifier based on the measurement of the power level presently being handled by the power amplifier and a desired fidelity experienced by RF signals processed by the power amplifier. The adjustment in the power amplifier bias for the power amplifier causes an adjustment in a power consumption of the power amplifier, thereby enabling great saving in the DC power required by a power amplifier, and thus, substantially reduces the power consumption of the apparatus in which it operates, such as a Remote PHY node, a Remote MACPHY node, a HFC RF amplifier, a wireless communication device, cellular transmission equipment, or a satellite transponder, for example.

The invention relates to a method, equipment and extended application for realizing multiple functions and scenes by using a novel transponder, belongs to the field of rail transit, optimizes the performance and simplifies the equipment type by utilizing the combination of the novel transponder or induction loop ground and vehicle-mounted equipment and adopting a new technology, and realizes power-down operation through an energy storage unit and a charging technology. A redundant train positioning and occupation checking method is realized through train-ground wireless communication, multiple functions are realized, and the method is applied to different scenes.

The invention provides an infrared device control method and device, an electronic device, a storage medium and a product, and the method comprises the steps: issuing a first control instruction for a target infrared device to an IoT central device under the condition of connecting a local area network; the first control instruction is used for indicating the IoT central device to match target infrared code information corresponding to the first control instruction in a stored infrared code library; under the condition that the public network is connected, reporting a second control instruction for the target infrared equipment to the server; the second control instruction is used for indicating the server to match target infrared code information corresponding to the second control instruction in a stored infrared code library; wherein the target infrared code information is used for indicating the infrared transponder to send an infrared control signal corresponding to the infrared code information to the target infrared equipment; the infrared control signal is used for indicating the target infrared equipment to execute a control operation corresponding to the control instruction. According to the invention, through a dual-backup mechanism, the stability and the error-tolerant rate of infrared equipment management and control can be improved.

The present invention provides a system for adding offline infrared devices based on a smart home gateway. The system includes a cloud server, a smart home gateway, an infrared transponder, a mobile app, and a smart home gateway webpage. The cloud server is used to store an infrared code library and the brands and models of infrared devices. The smart home gateway serves as an offline storage medium for the infrared code library and is signal-connected to the infrared transponder. The infrared transponder is used to receive and transmit infrared data / signals. The mobile app and the smart home gateway webpage are signal-connected to the cloud server and the smart home gateway. The system uses the smart home gateway as the offline infrared code library storage medium, the infrared transponder as a bus device, and added infrared devices such as air conditioners and televisions as virtual devices. Controlling the virtual devices through terminals such as the mobile app and the smart home gateway webpage effectively controls the actual infrared devices.

Methods for producing and validating RFID transponders (e.g., ISO 11784 / 11785 compliant transponders) with identification number authentication capabilities. A signature indicator and a partial-signature trailer are introduced to the ISO telegram. An encrypted signature or partial signature is introduced to the internal memory of ISO compliant transponders. The encrypted signature can prevent fraudulent duplications of ISO 11784 / 11785 transponders by allowing users to securely validate the transponders' authenticity.

This invention presents an integrated system for continuous geodetic positioning in both indoor and outdoor environments. It combines Global Navigation Satellite System (GNSS) technology with indoor positioning methods using Bluetooth Low Energy Angle of Arrival (BLE-AoA) and Ultra-Wideband (UWB) transponders. The system outputs data in GNSS format for compatibility with existing applications. It utilizes GNSS for outdoor positioning and facilitates seamless transitions between environments by calibrating the indoor systems near building openings from GNSS data. For areas where GNSS is unreliable or unavailable, it relies solely on indoor positioning technologies. In addition to the building scenario emphasized in this application, the system works also in mines, tree farms, and dense forests. The system features real-time updates of transponder data to maintain and continuously compute location accuracy, thereby addressing limitations of traditional GNSS-only systems while ensuring positioning continuity across diverse settings.

The invention relates to the technical field of rail transit, in particular to a train dormancy awakening control method and device, a vehicle and a storage medium, and the method comprises the steps that a to-be-awakened train is powered on based on an awakening instruction; first end positioning information is established based on the position information of the train to be awakened before dormancy, a position report is generated, and the position report and a preset static test request are sent to the area controller; and when a judgment result that the position report sent by the area controller is consistent with the position information before dormancy is received, sequentially performing static test on the first end of the train to be awakened and the second end of the train to be awakened, and judging that the train to be awakened is successfully awakened under the condition that a static test result meets a preset test requirement. Therefore, the problems of high system cost, harsh parking requirement and the like caused by the fact that a traditional train dormancy awakening scheme depends on a special transponder are solved, automatic train dormancy awakening without the transponder is achieved, the system cost is remarkably reduced, and the operation requirement is simplified.

An account is managed using information read from a dual frequency transponder. Information stored on the dual frequency transponder can be read by a NFC-enabled device and by a UHF RFID reader. The information links, corresponds, or otherwise provides access to account information stored at a remote server. For example, a NFC-enabled device can read the information from the dual frequency transponder and use that information to enable instant and on-the-spot recharging of a toll account. In addition, a UHF RFID toll reader can scan information from the dual frequency transponder and use that information to debit toll charges from the correct toll account. The dual frequency transponder can be embedded in a license plate and read using a reader placed in the road. Additionally, the transponder can be configured to function at the correct frequency only when a valid vehicle registration sticker is applied to the license plate.

A regenerative relay transponder includes: an optical receiving unit that receives an optical signal from a transmitting device as a reception optical signal and converts the reception optical signal into an electrical signal; an electrical-signal processing unit that executes predetermined processing on the electrical signal; an optical transmitting unit that generates a transmission optical signal by converting the electrical signal subjected to the predetermined processing into an optical signal and transmits the transmission optical signal; and a monitoring unit that monitors the predetermined processing by the electrical-signal processing unit, wherein the monitoring unit accumulates in a storage unit monitoring data, which indicates the result of the monitoring, over a predetermined period and causes a communication unit to transmit the monitoring data accumulated over the predetermined period as transmission data to the transmitting device.

System for marking high-performance hoses, comprising: - a connection element (10) for a high-performance hose (11), which includes a crimp sleeve (12) made of metal, and - a transponder chip (20) which is installed in a recess (21) in the crimp sleeve (12) and is designed to identify the high-performance hose (11).

The invention discloses a method for measuring plane coordinates and elevation of a deepwater leveling frame, and belongs to the technical field of underwater acoustic positioning. The method comprises the following steps: arranging a plurality of transponders on the seabed at the periphery of a leveling operation area, and acquiring coordinates of the transponders; a plurality of underwater sound transmitting and receiving units are mounted on the underwater leveling frame; calculating a plane coordinate of each unit based on the signal transmission time so as to obtain a plane coordinate and a horizontal direction angle of the leveling frame; the attitude of the water surface working platform is compensated, and an absolute elevation reference is obtained in combination with a GNSS; measuring the depth of the leveling frame relative to the platform by using a pipeline filled with degassing water and a pressure sensor, and further determining the real-time elevation of the leveling frame; and finally, carrying out space reference unification on the plane coordinates, the real-time elevation and the horizontal direction angle and then outputting. Through plane and elevation split measurement, multi-sensor fusion and benchmark unification, centimeter-level precision measurement is achieved, and the device is suitable for leveling operation in the deepwater complex environment.

Improved RFID devices and manufacturing methods that utilize more efficient RFID designs, result in less manufacturing material waste and increased recycling opportunities, all without sacrificing RFID device performance, are disclosed herein. Some exemplary embodiments of the improved RFID device may make use of a thinner foil, a hollowed-out foil, a “no-strip” design, or a tessellated design that may reduce material usage. Other exemplary embodiments may use a lower-impact and / or biodegradable adhesive so as to improve aluminum recycling and lessen risks to the environment.

The invention provides a commercial satellite-oriented intelligent measurement and control responder and a multi-frequency-band measurement and control method thereof in order to solve the problems that a current measurement and control responder can only support a measurement and control task of a corresponding frequency band, so that frequency band selection flexibility is poor, and flexible measurement and control requirements cannot be met, and belongs to the technical field of spaceflight measurement and control. According to the invention, the architecture of the basic function module, the multi-band radio frequency front-end module and the multi-band measurement and control antenna is adopted, and the basic function module is integrated into a sharing platform with core functions of baseband processing, modulation and demodulation, intermediate frequency conversion and the like, so that an independent complete transceiving channel is prevented from being repeatedly designed for each band. Meanwhile, radio frequency front ends and antennas of multiple frequency bands such as KA, S and X are integrated, and the limitation that a traditional responder can only work in a single frequency band is broken through. An independent S frequency band measurement and control mode, an S + KA frequency band measurement and control mode, an S + X frequency band measurement and control mode and a KA + X frequency band measurement and control mode can be realized. The method is suitable for design of the measurement and control responder in aerospace constellation networking.

The invention relates to rescue support in large-scale emergencies. A method for rescue support involves distributing responder devices (11) to individuals (10) within a geographical area and having the responder devices (11) activated. If a large-scale emergency occurs, a fleet of unmanned aerial vehicles (20) is caused to operate within the geographical area to receive distress signals (DS) transmitted by the activated responder devices (11). A computer system (21, 40, 60) processes the distress signals (DS) to obtain detection data for the individuals (10), the detection data comprising locations of the respective responder devices (11) and health conditions of the respective individuals (10). The computer system (21, 40, 60) generates a priority ranking chart (600) for the geographical area based on the locations and the health conditions of the respective individuals, the priority ranking chart (600) indicating one or more sub-areas to which rescue operations are to be given priority.

The invention provides a point-connected train control method and device, electronic equipment and a storage medium. Direct communication connection between a vehicle-mounted controller and a computer interlocking system is established; based on the direct communication connection, the vehicle-mounted controller sends communication data containing front signal machine information to the computer interlocking system; receiving response data returned by the computer interlocking system, wherein the response data comprises a virtual transponder message corresponding to the front signal machine information and a trackside equipment state; train movement authorization is calculated based on a virtual transponder message and a trackside equipment state, a train operation control instruction is generated according to the calculated movement authorization, and through direct communication connection between a vehicle-mounted controller and an interlocking system, safe operation of a train can still be guaranteed when a control center breaks down; entity equipment is replaced by the virtual transponder, so that the hardware deployment quantity is reduced, and the construction and maintenance cost is remarkably reduced; and in combination with a dynamic movement authorization adjustment mechanism, more accurate safety protection is realized, and the running safety of the train is improved.

A method to change an identification code of a passive radio frequency identification (RFID) transponder, and to perform verification of occupants in a vehicle, the method comprising: capturing at least one image or at least one video of individual(s); and changing an identification code of the passive RFID transponder to correspond to a number of the individual(s). The method may comprise capturing at least one further image or at least one further video of the same individual(s) after x time; and performing verification of occupants of the vehicle based on the captured at least one image or at least one video, and at least one further image or at least one further video.

A satellite in a communication system may be equipped with an antenna system that includes various configurations of antenna arrays on one or more sides of the satellite to receive and transmit signals, and a transponder system coupled with such antenna arrays that is configured to route signals between one or more reception ports and one or more transmission ports. Such antenna arrays may be configured to support directional reception, directional transmission, or both, and a transponder system may perform one or more aspects of signal processing. A satellite may be configured with particular combinations of components in a reception system and a transmission system, and a corresponding transponder system may include various signal paths that support combinations of couplings and associated signal processing between the output ports and input ports to support various techniques for relaying communications via the satellite.

The invention discloses an unmanned aerial vehicle self-destruction measure ground verification method and system. The method comprises the following steps: configuring an instruction self-destruction measure and an autonomous self-destruction measure on the unmanned aerial vehicle; setting a safe airspace for testing on the ground; injecting boundary information of the safe airspace into a flight control system of the unmanned aerial vehicle; a GNSS transponder is used for providing simulated satellite positioning signals for the unmanned aerial vehicle, and the GNSS transponder comprises an outdoor antenna, an indoor antenna and a host; dynamically simulating the position change of the unmanned aerial vehicle relative to the safe airspace by moving the outdoor antenna so as to construct a test scene in which the unmanned aerial vehicle crosses the safe airspace; and based on the test scene, respectively carrying out ground verification on the function validity of the instruction self-destruction measure and the autonomous self-destruction measure. According to the invention, an airplane border crossing scene is dynamically simulated through the movable GNSS transponder, comprehensive, convenient and safe ground verification of instruction self-destruction and autonomous self-destruction measures under multiple working conditions is realized, and the self-destruction reliability is guaranteed.

A communication system including a RADAR transceiver configured to be implemented in a first apparatus, a transponder configured to be implemented in a second apparatus, the first apparatus and the second apparatus configured to communicate via a method of communication. The method comprising sending, via the RADAR transceiver, a signal for detection of the transponder, receiving, via the transponder, the signal, generating, via the transponder, a response to the signal, the response including embedded information, sending, via the transponder, the response to the RADAR transceiver, receiving, via the RADAR transceiver, the response and extracting the embedded information, and executing, via the RADAR transceiver, one or more actions based at least in part on the embedded information.