Microwave perimeter correlation radar debugger

Abstract

The utility model discloses a microwave perimeter correlation radar debugger. The system comprises a microwave receiving module, a signal processing module, a display module, an angle information acquisition module and a power supply module. And the microwave receiving module performs down-conversion processing on the high-frequency signal to obtain an intermediate-frequency signal and transmits the intermediate-frequency signal to the signal processing module. And the signal processing module is used for processing the intermediate frequency signal subjected to down-conversion by the microwave receiving module and the signal of the angle information acquisition module. And the display module is used for displaying the information transmitted by the signal processing module. The angle information acquisition module transmits angle information to the signal processing module. And the power supply module is connected with the microwave receiving module, the angle information acquisition module, the signal processing module and the display module and provides a required power supply. According to the utility model, microwave signals and angle information are processed, an optimal installation position is provided, and compared with a traditional mode that an additional calibration module is added to a radar, the cost is reduced, and the calibration efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of radar security, in particular to a microwave perimeter-to-parallel-fire radar debugger. Background Art

[0002] With the continuous advancement of science and technology and the growing demand for security, microwave perimeter radar is widely used in security perimeter protection applications due to its high sensitivity, strong anti-environmental interference ability and low overall cost.

[0003] In order to more conveniently debug the installation position of the radar, a ruler is usually used or an alignment module is built into the microwave perimeter radar for calibration, but the calibration is difficult, has low accuracy and high cost. Summary of the invention

[0004] The embodiment of the utility model provides a microwave perimeter-radiation radar debugger to improve the calibration efficiency and accuracy of the microwave perimeter-radiation radar and reduce the cost caused by the calibration.

[0005] The embodiment of the utility model provides a microwave perimeter radar debugger, and the entire system comprises a microwave receiving module, a signal processing module, a display module, an angle information acquisition module, and a power supply module.

[0006] The microwave receiving module uses a microstrip antenna to receive microwave signals, which are mixed into intermediate frequency signals and then transmitted to the signal processing module for processing.

[0007] The signal processing module is used to process the intermediate frequency signal after down-conversion of the microwave receiving module and the digital signal of the angle information acquisition module, and generate corresponding display information to transmit to the display module for display.

[0008] The display module is used to receive and display the information transmitted by the signal processing module.

[0009] The angle information acquisition module collects the currently installed angle information through a gyroscope and transmits it to the signal processing module.

[0010] The power supply module is respectively connected to the microwave receiving module, the angle information acquiring module, the signal processing module and the display module, and is used to provide power to the microwave receiving module, the angle information acquiring module, the signal processing module and the display module.

[0011] Furthermore, the microwave receiving module includes a microstrip planar antenna, a microwave signal source, and a mixer.

[0012] The microstrip flat antenna is used to receive electromagnetic waves emitted by the perimeter transmitting radar and send them to the mixer for processing.

[0013] The mixer is connected to the microstrip planar antenna and is used for down-converting the microwave signal into an intermediate frequency analog signal.

[0014] The microwave signal source is connected to the mixer and is used to provide a frequency sweep signal to the mixer.

[0015] Furthermore, the microwave perimeter radar debugger also includes a clock module, which is connected to the microwave signal source and the signal processing module and is used to provide the clock signal required by the microwave signal source and the signal processing module.

[0016] Furthermore, the microwave perimeter radar debugger also includes an intermediate frequency signal acquisition module, which is connected to the mixer and is used to collect the intermediate frequency signal after down-conversion and convert it into a digital signal to be transmitted to the signal processing module for processing.

[0017] Furthermore, the microwave perimeter radar debugger display module includes a display control module and a display screen.

[0018] The display control module is connected to the signal processing module and is used to receive information from the signal processing module.

[0019] The display screen is connected to the display control module and is used to receive control signals from the display control module and perform display.

[0020] Furthermore, the power supply module includes a switching power supply, an analog signal power supply, and a digital signal power supply.

[0021] The switching power supply is connected to an external DC power supply and is used to convert the external power supply voltage into the DC voltage required by the microwave perimeter radar debugger.

[0022] The analog signal power supply is connected to the microwave receiving module and is used to provide power to the chip in the microwave receiving module.

[0023] The digital signal power supply is connected to the signal processing module, the angle information acquisition module, and the display module, and is used to provide the required power to the signal processing module, the angle information acquisition module, and the display module.

[0024] The microwave perimeter-fire radar debugger provided in the embodiment of the utility model receives microwave signals and angle information for comprehensive processing, judgment, and display to give the best debugging position. Compared with the traditional method of adding a calibration module to the radar, the cost of the built-in calibration device of the perimeter-fire radar is reduced, and the calibration efficiency is improved, so that the radar can work in the best working state. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1It is a signal transmission schematic diagram of a microwave perimeter radar debugger applicable to an embodiment of the utility model.

[0026] Figure 2 It is an overall schematic diagram of a microwave perimeter-to-surface radar debugger provided by an embodiment of the utility model.

[0027] Figure 3 It is a preferred structural diagram of the microwave perimeter radar debugger provided in the embodiment of the utility model.

[0028] Figure 4 The present invention is a flowchart of the microwave perimeter radar debugger provided by the embodiment of the present invention. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and examples.

[0030] Figure 1 A schematic diagram of the signal transmission process of an embodiment of the utility model is given. After the microstrip antenna receives the electromagnetic wave, it is down-converted into an intermediate frequency signal. After the intermediate frequency signal is amplified and filtered, it is converted into a digital signal through analog signal acquisition. The digital signal is processed in combination with the angle sensor information, and the processing result is pushed to the display for display.

[0031] Figure 2 The overall architecture diagram of the microwave perimeter radar debugger provided by the embodiment of the utility model is given as follows: Figure 2 As shown, the microwave perimeter radar debugger includes a microwave receiving module 1, a signal processing module 2, a display module 3, an angle information acquisition module 4, and a power supply module 5, wherein the microwave receiving module 1 uses a microstrip antenna to receive microwave signals, and after mixing processing, the signals are transmitted to the signal processing module 2 for processing. The signal processing module 2 is used to perform signal processing on the intermediate frequency signals after the microwave module is down-converted and the digital signals of the angle information acquisition module 4, and generate corresponding display information to be transmitted to the display module 3 for display. The display module 3 is used to receive and display the information transmitted by the signal processing module 2. The angle information acquisition module collects the currently installed angle information through a gyroscope and transmits it to the signal processing module 2. The power supply module is respectively connected to the microwave receiving module 1, the signal processing module 2, the display module 3, and the angle information acquisition module 4, and is used to provide voltage to the microwave receiving module 1, the signal processing module 2, the display module 3, and the angle information acquisition module 4.

[0032] Those skilled in the art can understand that the microwave perimeter radar debugger in this embodiment also includes a shell, and the microwave receiving module 1, signal processing module 2, angle information acquisition module 4, and power supply module 5 are located in the shell, and the display module 3 is located on the rear surface of the shell.

[0033] In the above embodiment, if Figure 3 As shown, the microwave receiving module 1 also includes a microstrip planar antenna 11, a mixer 12, and a microwave signal source 13, wherein the microstrip planar antenna 11 is used to receive electromagnetic waves emitted by the perimeter transmitting radar and send them to the mixer 12 for processing, the mixer 12 is connected to the microstrip planar antenna 11, and is used to down-convert the microwave signal into an intermediate frequency analog signal, and the microwave signal source 13 is connected to the mixer 12, and is used to provide a swept frequency signal to the mixer.

[0034] In the above embodiment, if Figure 3 As shown, the microwave receiving module also includes an intermediate frequency signal acquisition module 6, which is connected to the mixer 12 and is used to filter, amplify, and acquire the intermediate frequency signal after down-conversion, and convert it into a digital signal to be transmitted to the signal processing module 2 for processing.

[0035] In the above embodiment, the microwave perimeter radar debugger further includes a clock module 7, such as Figure 3 As shown, it is connected to the microwave signal source 13 and the signal processing module 2, and is used to provide the clock signal required by the microwave signal source 13 and the signal processing module 2.

[0036] In the above embodiment, if Figure 3 As shown, the display module 3 also includes a display control module 31 and a display screen 32. The display control module 31 is connected to the signal processing module 2 and also connected to the display screen 32 for receiving information from the signal processing module 2 and controlling the display screen 32 for display.

[0037] In the above embodiment, if Figure 3 As shown, the power supply module 5 also includes a switching power supply 53, an analog signal power supply 51, and a digital signal power supply 52: the switching power supply 53 is connected to an external DC power supply, and is used to convert the external power supply voltage into the DC voltage required by the microwave perimeter radar debugger, and send it to the analog signal power supply 51 and the digital signal power supply 52; the analog signal power supply 51 is connected to the microwave receiving module 1, the intermediate frequency signal acquisition module 6, and the clock module 7, and is used to provide power for the chips in the microwave receiving module 1, the intermediate frequency signal acquisition module 6, and the clock module 7; the digital signal power supply 52 is connected to the signal processing module 2, the angle information acquisition module 4, and the display module 3, and is used to provide the required power to the signal processing module 2, the angle information acquisition module 4, and the display module 3.

[0038] The following is the working process of the microwave perimeter radar debugger provided by the utility model example.

[0039] Figure 4 The workflow diagram of the microwave perimeter radar debugger is given, as follows: Figure 4 As shown, the process is described in detail as follows.

[0040] Step 401, parameter initialization, including display screen parameters, data processing chip clock, interrupt, interface, register and other configurations.

[0041] Step 402: Enter the timer interrupt.

[0042] Step 403: Control the microwave frequency source to output a frequency sweep signal through register configuration.

[0043] Step 404 , determine whether there is an intermediate frequency signal, if yes, execute step 405 , if not, execute step 403 .

[0044] Step 405: Receive a sampled intermediate frequency signal.

[0045] Step 406: pre-process the data.

[0046] In this embodiment, the sampling period is 256ms, the number of sampling points is 1024 points, and the digital processing chip performs a 1024-point fast Fourier transform to obtain the corresponding intermediate frequency spectrum. Since a single sampling period may have errors, the data of 10 periods are accumulated and superimposed. Multiple frequencies may be obtained here, and the intermediate frequency signal with the largest amplitude is obtained as the target signal after filtering.

[0047] Step 407: Control the angle sensor to output angle information through control register configuration.

[0048] Step 408 , determine whether angle information is obtained, if yes, execute step 409 , if not, execute step 407 .

[0049] Step 409: Receive angle sensor information.

[0050] Step 410: Algorithm processing to obtain the current angle and intensity and the recommended deflection angle.

[0051] In this example, by continuously recording the intermediate frequency amplitude information corresponding to the current angle and drawing a curve of signal strength changing with angle, deflection angle suggestions are given, including horizontal deflection angle suggestions and pitch deflection angle suggestions.

[0052] Step 411: Output the result to a display screen for display.

[0053] Step 412: The interrupt service is completed, the interrupt flag is reset, and a new round of interrupt service routine is entered.

[0054] The microwave perimeter radio radar debugger provided by the utility model is simple, easy to use and carry, and is more suitable for on-site debugging of the microwave radio radar.

[0055] The above description is a preferred implementation mode of the present invention and does not limit the embodiments of the present invention. For those skilled in the art, several improvements, modifications and equivalent substitutions without departing from the principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A microwave perimeter radar debugger, characterized in that: The system comprises a microwave receiving module, a signal processing module, a display module, an angle information acquisition module and a power supply module. The microwave receiving module adopts a microstrip antenna to receive microwave signals, and after down-conversion processing to an intermediate frequency signal, the signals are transmitted to the signal processing module for processing. The signal processing module is used to process the intermediate frequency signal after down-conversion of the microwave receiving module and the signal of the angle information acquisition module, and generate corresponding display information to transmit to the display module for display. The display module is used to receive and display the information transmitted by the signal processing module. The angle information acquisition module collects the currently installed angle information and transmits it to the signal processing module. The power supply module is respectively connected to the microwave receiving module, the angle information acquisition module, the signal processing module and the display module, and is used to provide power to the microwave receiving module, the angle information acquisition module, the signal processing module and the display module.

2. The microwave perimeter radar debugger according to claim 1, characterized in that: The microwave receiving module includes a microstrip planar antenna, a microwave signal source, and a mixer. The microstrip planar antenna is used to receive electromagnetic waves emitted by the perimeter transmission radar and send them to the mixer for processing. The mixer is connected to the microstrip planar antenna and is used to down-convert the microwave signal into an intermediate frequency signal. The microwave signal source is connected to the mixer and is used to provide a swept frequency signal to the mixer.

3. The microwave perimeter radar debugger according to claim 1, characterized in that: The microwave perimeter radar debugger also includes a clock module, which is connected to the microwave receiving module and the signal processing module and is used to provide the clock signal required by the microwave receiving module and the signal processing module.

4. The microwave perimeter radar debugger according to claim 1, characterized in that: The microwave perimeter radar debugger also includes an intermediate frequency signal acquisition module, which is connected to the microwave receiving module and is used to collect the intermediate frequency signal after down-conversion and convert it into a digital signal to be transmitted to the signal processing module for processing.

5. The microwave perimeter radar debugger according to claim 1, characterized in that: The display module includes a display control module and a display screen. The display control module is connected to the signal processing module and is used to receive information from the signal processing module. The display screen is connected to the display control module and is used to receive a control signal from the display control module and display it.

6. The microwave perimeter radar debugger according to claim 1, characterized in that: The power supply module includes a switching power supply, an analog signal power supply, and a digital signal power supply. The switching power supply is connected to an external DC power supply and is used to convert the external power supply voltage into a low-voltage DC power supply required by the microwave perimeter radar debugger. The analog signal power supply is connected to the microwave receiving module and is used to provide power to the chip in the microwave receiving module. The digital signal power supply is connected to the signal processing module, the angle information acquisition module, and the display module, and is used to provide the required power to the signal processing module, the angle information acquisition module, and the display module.

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