36 results about "Man-portable radar" patented technology

The invention discloses a method for extracting wave height from sea echo first-order Bragg harmonic peak of a high-frequency ground wave radar. The method comprises the steps of building a response curve of the Bragg wave spectrum value based on the wave height; calibrating the first-order peak power of a long-distance unit through the wave length subjected to second-order spectrum inversion and the first-order peak powder in a near distance unit of the radar, so as to calculate the wave height distribution in the long-distance unit. The method is mainly dependent on the unsaturation feature of the Bragg wave; the wave height is extracted from the first-order Bragg resonance peak; the first-order peak under the general ocean state is obviously more than that in the second-order spectrum, so that the wave height detection distance of the high-frequency ground wave radar can be greatly improved; meanwhile, the portable radar adopting a compact receiving antenna has the space resolution for obtaining the wave height; therefore, the development, popularization and application are greatly promoted.

The invention provides a portable radar perimeter security and protection system. The portable radar perimeter security and protection system comprises radars, first control boxes, a numerical control linkage dome camera, a second control box, a server, a displayer of the server, a switch, a monitoring video display device and an alarm device. The server, the numerical control linkage dome camera, the wireless equipment, the radars, the monitoring video display device and the alarm device are connected by the wireless network. The server is equipped with the portable perimeter security and protection system software; the core of the software is the control of 3D linkage of the radars and the numerical control linkage dome camera; the algorithm adopted by the linkage control is presetting the space coordinates of the left, center and right 3 points of the radars and the numerical control linkage dome camera, and the input data is the target location detected by the radars, and the calculating result which is calculated according to trigonometric function is the PTZ 3D coordinate of the numerical control linkage dome camera. The first control boxes are used for supplying power to the radars, and the second control box is used for supplying power to the numerical control linkage dome camera. The switch provides the connection ports for a plurality of cables, used for connecting the server, the monitoring video display device, and the numerical control linkage dome camera; and the switch adopts star topology and realizes the data exchange among the devices in the network.

An airborne wind profiling portable radar (AWiPPR) system comprising a mobile airborne platform including one or more navigation units configured to produce navigation data including at least the position and orientation of the mobile airborne platform. A radar unit is mounted and positioned to the mobile airborne platform, the radar unit is configured to transmit a wide-band frequency modulated continuous wave radar signal in a downward direction from the mobile airborne platform towards the ground and configured to continuously receive a reflected signal from a plurality of clear air scatters (CAS) targets or volumetric targets and output radar data. An inertial measurement unit (IMU) in communication with the one or more navigation units and the radar unit is configured to receive the navigation data and determine the position and orientation of the radar at a specific point in time and output IMU data. A data acquisition unit in communication with the radar unit and the is configured to receive and time align radar data and the IMU data for each reflected signal from each of the plurality of CAS targets or volumetric targets to provide an antenna pointing direction for each received reflected signal. The data acquisition unit is configured to process the time aligned radar data and IMU data to determine a distance and a Doppler velocity of each of the plurality of CAS targets or volumetric targets, provide a range, a velocity, and an antenna pointing direction for each of the plurality of CAS targets or volumetric targets, and calculate a vector wind velocity using the range, the velocity, and the antenna pointing direction for each of the plurality of CAS targets or volumetric scatters targets, The data acquisition unit may be configured to further correct the range, the velocity, and/or the antenna pointing direction of each of the plurality of CAS targets or volumetric targets to accommodate for a motion shift in data produced by one or more on a relative motion and orientation of the mobile airborne platform, a Doppler spread in the range, the velocity and/or the antenna pointing direction, and a ground echo.

The invention relates to a portable radar general-purpose tester and a testing method. The tester comprises a controller, a data sampling port control module, a signal shaping module, a signal drive module, a collecting module, a USB port conversion module, a power testing module and a PXI bus. The testing method includes a fuzzy diagnosis method and a signal abnormity detection method on the basis of expert knowledge. The tester has the advantages of being light, portable, universal and intelligent, the misjudgment rate of fault diagnosis is low, the tester is a fuzzy diagnosis system based on the expert knowledge, the fault diagnosis rate of the system can be greatly improved due to application and addition of the expert knowledge, dependence on experience is reduced, a whole radar is taken as a constituent part when the tester works, a system online real-time detection function is achieved, and automation of fault judgment can be improved by means of application of the fuzzy judgment function.

The present invention provides an improving design of a portable radar alarm device that comprises a cover body and a launching device. The portable radar alarm device of the present invention sorts out those defects of the conventional alarm device. The present invention provides the portable radar alarm device controlled by a re-set remote-control device can be setup quickly and easily at a location of outdoor sports or wildlife activities. Once the sensor of the alarm device senses any abnormal condition, a warning signal will be sent to a user to warn the potential danger. Thus, the present invention provides an improving design of an alarm device that is more practical to accompany the needs of outdoor activities, is convenient to use and easy to setup and position the device.

The invention discloses a control device and a control method for meteorological radar signal processing. The control device for meteorological radar signal processing comprises a radar video signal acquisition module, a clock sampling module, an FPGA (Field Programmable Gate Array) processor, a motor drive control circuit, a stepper motor driver, and a gigabit Ethernet communication module, wherein the radar video signal acquisition module comprises a differential operational amplifier and an ADC (Analog to Digital Converter) high-speed signal collector; the differential operational amplify and the clock sampling module are respectively connected with the ADC high-speed signal collector; and the ADC high-speed signal collector is connected with the FPGA processor. The control device can be used for carrying out real-time signal processing on portable radar signals, controlling radar antenna bearing pitch in real time, monitoring angle feedback information, global satellite positioning through a GPS (Global Positioning System), carrying out mutual transmission of high-speed data with an external upper computer, and controlling radar operation modes in real time; meets the requirements on basic settings and control of a radar; and has the advantages of simple structure, stability, reliability, complete functions, and convenience in operation.

The invention discloses an automobile anti-collision radar convenient to install. The automobile anti-collision radar comprises a base. An arc installing rod is arranged on the base through a connecting block. The concave face of the arc installing rod faces the base. A sliding groove is formed in the arc installing rod in the bent direction; the automobile anti-collision radar further comprises aconnecting plate, a sliding block matched with the sliding groove is arranged o the connecting plate, and a radar shell is arranged on the connecting plate through an installing plate; the arc installing rod has the highest point in the radial section direction of the arc installing rod. The automobile anti-collision radar is the vehicle-mounted portable radar installing structure and is simple in structure, convenient to install and use and capable of adjusting the angle conveniently.

The invention discloses an intelligent system for blind person travel guidance and a method thereof, and the system comprises a mobile terminal, portable radar equipment, and AI glasses, and the blindperson plans a travel route through the voice of the mobile terminal, detects the surrounding objects of the blind person at 360 degrees through a millimeter-wave radar worn at the waist of the blindperson, and obtains the radar ranging data; the shape and the size of the obstacle by combining an AI glasses visual imaging method can be analyzed to obtain image data; and radar ranging data and image data are received in real time to obtain obstacle avoidance information, and a voice navigation instruction is sent in combination with the planned travel route. The millimeter-wave radar and theAI vision are comprehensively utilized for rapid judgment, the advantages of the millimeter-wave radar and the AI vision are brought into full play, a more accurate guidance direction is provided forthe blind person, and the blind person finally reaches the destination.

The invention discloses a portable radar testing system and method based on ZYNQ, and relates to the field of radar testing. The problem that an existing radar testing system is poor in compatibilityand communication treatment real-time performance is solved. A serial communication module is used for receiving GPS data sent by a GPS device and inertial navigation data sent by an inertia navigation device and transmits the data to a main control module, is also used for transmitting A-frame data sent by the main control module to a tested radar, receiving B-frame data returned by the tested radar and transmitting the data to the main control module, and is also used for receiving recurrent pulses produced by the main control module, sending the recurrent pulses to the tested radar, and receiving telemeasuring data returned by the tested radar. The main control module is used for receiving the GPS data and the inertial navigation data to be resolved into A-frame data or analog A-frame data and sending out the A-frame data when set recurrent pulses are reached, is also used for generating the recurrent pulses and is also used for receiving the B-frame data and the telemeasuring dataand conducting radar testing.

The invention provides a portable radar detection device and system. The device comprises a housing, a data transmission module, a radar antenna receiving and transmitting module and a collection control module, wherein the data transmission module, the radar antenna receiving and transmitting module and the collection control module are disposed in the housing. The radar antenna receiving and transmitting module is used for transmitting a high-frequency electromagnetic wave to the outside, receiving the electromagnetic wave reflected by an external object, and transmitting the radar data to the collection control module. The collection control module is used for generating a work pulse required by the antenna system, achieves the equivalent sampling at different frequencies according to the setting parameters, completes the analog-to-digital conversion and digital-to-analog conversion of the 16-bit data, and transmits the radar data to the data transmission module. The data transmission module is used for transmitting the processed radar data to external mobile terminal equipment, so as to analyze and recognize a surrounding detection object. Therefore, the device and system can achieve the convenient and quick detection of a surrounding metal abnormal object.

The invention provides a portable radar tester comprising a power supply, a microwave module, an interface conversion module, a fixed bracket, a handheld end and a box body. The power supply unit provides working power for a measured speed measuring radar device. The microwave module is connected with the handheld end and is integrated into the fixed bracket. The handheld end is connected with theinterface conversion module. The interface conversion module is connected with the interface of the measured speed measuring radar. The handheld end sends a command through installed upper computer software to control the microwave module to transmit a signal with a set characteristic to the speed measuring radar; the interface conversion module receives information outputted by the speed measuring radar; the received information is compared with the information sent by the control to carry out determination. The portable radar tester has the following beneficial effects: with the portable radar tester, out-of-factory detection, in-storage house detection of the radar spare parts, detection after radar installation, and the field fault radar anomaly detection and the like can be realized;and the main functions and performances of the speed measuring radar device can be tested.

The invention discloses a portable radar which comprises a radar high-frequency box body and an antenna and further comprises a storage shell used for storing the radar high-frequency box body, the storage shell is of a hollow structure with an opening in the front side, and a supporting base is arranged at the bottom end of the interior of the storage shell; the bottom of the radar high-frequency box body is provided with a supporting block which is slidably supported on the supporting base. According to the portable radar, the storage shell, the supporting block, the supporting base, the door body, the through hole, the heat insulation plate, the airflow hole, the water injection pipe and the cooling assembly are used in cooperation, the cooling assembly is used for conducting water cooling on the radar high-frequency box body, and therefore the problem that a traditional radar high-frequency box cannot conduct heat dissipation and cooling is solved; when the radar needs to be carried, the radar high-frequency box body can be directly taken out of the storage shell and independently carried, and therefore the problem that the radar high-frequency box body is inconvenient to carry when a traditional heat dissipation structure is used is further solved.

The invention discloses a portable multi-elevation detection radar optical device and a self-adaptive scanning method thereof. The optical scanning device comprises a fixed base, a laser light source,a laser receiver, two reflectors, a telescopic driving device for controlling the angle of a first reflector, and a feedback element. The angle of a first emitting mirror is controlled to change automatically through the telescopic driving device so that the angle of reflected light is changed, and multi-elevation-angle detection is carried out; and the telescopic driving device is controlled through target related information fed back by the internal feedback element according to a certain logic judgment relationship so that the scanning rate of the laser is adaptively adjusted. Therefore, the portable radar optical device can conveniently realize self-adaptive scanning of a multi-elevation target.

A portable tester that can accurately measure the electrical axis of meter-wave radar, mainly composed of a signal processing circuit board, a USB cable and a general-purpose microcomputer. The circuit board is connected with the radar to collect the echo signal, and then send it to a general-purpose microcomputer through a USB cable for data analysis. Use a multi-pulse accumulation to correct the single-pulse angle measurement method to calculate the radar electric axis pointing. This radar electric axis tester can be used for the azimuth calibration of the meter wave radar, which solves the inconvenience of using large-scale special equipment for radar azimuth calibration. The problem. Using a small amount of large-scale integrated circuits and high-tech application software, it has high reliability; the measurement accuracy of the electric axis can reach less than or equal to 0.1 degrees, ensuring the azimuth measurement accuracy of the meter-wave radar; it is suitable for factories and troops to measure the azimuth of the meter-wave radar. calibration. This technology can also be promoted and used in other radar fields.

A portable radar sensing device comprises: a millimeter-wave MIMO radar unit; a control unit, including at least one processor and at least one memory; at least one information outputting unit; and an operation interface; wherein the control unit is coupled to the millimeter-wave MIMO radar unit, the at least one information outputting unit and the operation interface for processing a biological detecting operation, and the biological detecting operation includes a space scanning operation and a biological target scanning operation.

The invention discloses a high-integration-level integrated efficient sum-difference beam waveguide antenna which comprises an ultra-low sidelobe waveguide traveling wave antenna array, a coaxial waveguide converter, a waveguide phase-shifting network structure, a waveguide power divider and a waveguide sum-difference beam network structure. The ultra-low sidelobe waveguide traveling wave antennaarray, the coaxial waveguide converter, the waveguide phase-shifting network structure, the waveguide power divider and the waveguide and difference beam network structure are combined sum-installed through cooperation of a metal framework, positioning pins and fastening screws. The beneficial effects are that the antenna employs an integrated technology, structural members are processed on one metal member in a centralized manner, the processing flow is reduced, the processing difficulty of the antenna is reduced, the weight of an antenna system is effectively reduced, the work efficiency ofthe antenna is improved, a particle swarm optimization algorithm is employed, and electromagnetic simulation and numerical calculation software are iteratively used, the special-shaped low sidelobe waveguide line source can be rapidly and effectively obtained, and the anti-interference capability of a portable radar system during low-speed small target reconnaissance is improved.

The invention relates to a portable radar speed measurement machine which comprises a pulse signal acquisition processing module, a signal real-time storage module and a portable machine case. The pulse signal acquisition processing module and the signal real-time storage module are connected through a bus of the portable machine case. The portable radar speed measurement machine can achieve high-speed sampling and real-time recording of radar echo signals and facilitates subsequent playback analysis. The portable radar speed measurement machine can normally work under the condition of 220 V alternating current, can be conveniently connected with radar intermediate frequency through a radio antenna interface and becomes an additional open loop branch circuit of a radar during connection, the capacity of adapting to target maneuvering situation is improved by means of a motion model constrained instantaneous frequency measurement method, the high-accuracy speed measurement of the radar to a high-dynamic target can be achieved, and meanwhile closed loop tracking of an original radar system is not influenced.