FPGA-based radar signal processing teaching platform and working method thereof

Abstract

The invention relates to an FPGA-based radar signal processing teaching platform and a working method thereof. The platform comprises a display control computer, a radar echo simulation module, a radar signal processing module and an oscilloscope. The working method comprises the steps that radar signal configuration information is set through the display control computer and sent to the radar echo simulation module; the radar echo simulation module generates a corresponding radar echo intermediate frequency signal according to the configuration information; the radar signal processing modulereceives a radar echo intermediate frequency signal; radar detection target signals are extracted through processing and sent to the display control computer to be processed to obtain a simulation oscillogram; the oscilloscope displays waveforms of radar echo intermediate frequency signals and waveforms of the radar detection target signals, and the simulation oscillogram obtained by the display control computer is compared with the oscillogram displayed by the oscilloscope. Parameter configuration is flexible and simple, the radar signal processing process is visual, radar signal processing methods are diversified, and the requirements of different teaching users can be met.

Description

technical field [0001] The invention belongs to the field of electronic control, and in particular relates to an FPGA-based radar signal processing teaching platform and a working method thereof. Background technique [0002] In recent years, with the continuous development of digital signal processing technology, radar systems have become increasingly complex and diverse. Actual radar is expensive. Due to the influence of funds and practicality of teaching, general colleges and universities are equipped with a small number of real radar equipment, the system is backward, and the display interface is not intuitive enough, which is not conducive to students' understanding of the working principle of radar and the radar signal processing process. Radar grouping The training efficiency is low, the effect is poor, and it is difficult to meet the teaching requirements; therefore, most colleges and universities use radar system teaching platforms based on software simulation, whic...

AI Technical Summary

Problems solved by technology

Actual radar is expensive. Due to the influence of funds and practicality of teaching, general colleges and universities are equipped with a small number of real radar equipment, the system is backward, and the display interface is not intuitive enough, which is not conducive to students' understanding of the working principle of radar and the radar signal processing process. Radar grouping The training efficiency is low, the effect is poor, and it is difficult to meet the teaching requirements; therefore, most colleges and universities use radar system teaching platforms based on software simulation, which can visualize radar from signal generation, target simulation, target detection, track tracking, etc. Various stages of radar work, but the radar system teaching platform based on software simulation does not provide real radar images after all, but simulated radar images, which have a certain gap with real radar images, which has a negative impact on students' learning

[0003] Most of the existing radar signal processing teaching platforms are based on software simulation, which is not conducive to students' understanding of the working principle of radar and the signal processing process

The actual radar may not be popularized due to reasons such as price, or the degree of integration is not enough, and the radar signal processing technology covered is less, which is not convenient for students to understand the process of radar signal processing from multiple angles, and the teaching method is relatively chaotic, which makes it difficult for students to learn. difficulty

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