Missile-borne radar signal processing semi-physical simulation test system

Abstract

The invention belongs to the radar signal simulation processing field and discloses a missile-borne radar signal processing semi-physical simulation test system. The system comprises a radar seeker comprehensive test device, an analog-to-digital conversion module, an FPGA pre-processing module, a DSP imaging processing module, and an upper computer display terminal; a signal source outputs two paths of reference clocks, wherein one path of reference clock is adopted as a reference clock for the radar seeker comprehensive test device, and the other path of reference clock is used as a samplingclock for a signal processor; the radar seeker comprehensive test device outputs analog radar echo signals and frame synchronization and pulse synchronization signals; the analog-to-digital conversionmodule completes A/D sampling of the analog radar echoes; an FPGA is adopted as the pre-processing module and completes data pre-processing and data ping-pong transmission; two DSP chips in the DSP imaging processing module complete imaging processing, and another DSP chip in the DSP imaging processing module completes the transmission of an imaging result to an upper computer; and the upper computer display terminal displays an imaging processing result in real time.

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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