A hardware-in-the-loop simulation test system for missile-borne radar signal processing

Abstract

The invention belongs to the field of radar signal simulation processing, and discloses a semi-physical simulation test system for missile-borne radar signal processing, including a radar seeker comprehensive test device, an analog-to-digital conversion module, an FPGA preprocessing module, a DSP imaging processing module, and a host computer Display terminal; two reference clocks are output from the signal source, one is used as a reference clock for the radar seeker comprehensive test device, and the other is used as a sampling clock for the signal processor, and the radar seeker comprehensive test device outputs the simulated radar echo signal and frame Synchronization and pulse synchronization signal, the analog-to-digital conversion module completes the A / D sampling of the simulated radar echo, the FPGA is used as the preprocessing module to complete the data preprocessing and data ping-pong transmission, and the two DSP chips in the DSP imaging processing module complete the imaging processing , another DSP chip completes the transmission of the imaging results to the host computer, and displays the imaging processing results in real time on the display terminal of the host computer.

Description

technical field [0001] The invention belongs to the technical field of radar signal simulation processing, and in particular relates to a hardware-in-the-loop simulation test system for missile-borne radar signal processing, which is used in the fields of high-speed aircraft imaging tracking guidance and the like. Background technique [0002] In order to adapt to the increasingly complex battlefield environment, the rapid development of radar technology also puts forward higher requirements for modern real-time signal processing algorithms. Synthetic aperture radar signal processing technology has also become a hot spot for exploration and development in various countries. However, the performance of signal processing algorithms cannot be limited to theoretical simulation, and needs to be further verified in practical applications. [0003] In the previous test and verification process of synthetic aperture radar signal processors, there are the following defects: First, th...

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Problems solved by technology

[0004] In view of the above problems, the object of the present invention is to provide a hardware-in-the-loop simulation test system for missile-borne radar signal processing, which makes the laboratory stage test verification closer to the field experiment, and is used to solve the problem that the field experiment is easily affected by the environment, the development cycle is long, and the cost is high. series of questions

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