一种车载毫米波雷达抗干扰方法

By detecting and marking interference signals, and designing the form and waveform parameters of the next frame's transmitted signal, the problem of high computational complexity in anti-interference for vehicle-mounted millimeter-wave radar is solved, achieving efficient anti-interference and accurate radar function alarm.

CN116879850BActive Publication Date: 2026-07-17CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST
Filing Date
2023-07-28
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing anti-jamming methods for vehicle-mounted millimeter-wave radar involve large computational loads and have low anti-jamming efficiency.

Method used

By using interference signal detection methods, we can detect whether there are interference points in the digital reconnaissance signal of each cycle, form interference descriptors, design the form and waveform parameters of the next frame's transmission signal, avoid interference frequency bands, and use sawtooth wave linear frequency modulated signals for reconnaissance to reduce the amount of computation.

Benefits of technology

It achieves efficient anti-interference processing, reduces computing costs, improves the accuracy of radar alarm functions, and reduces the false alarm rate.

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Abstract

本发明公开了一种车载毫米波雷达抗干扰方法,包括:步骤1、雷达探测信号发射及接收;步骤2、干扰信号检测,若不存在干扰信号,则探测信号参数不变,若存在干扰信号,则执行步骤3;步骤3、对每个周期数字侦察信号中是否存在干扰点进行判断,并标记干扰点的采样点序号及所在侦察周期号,形成二维侦察数组;步骤4、根据所有干扰点的采样点序号及所在侦察周期号,判定是否为干扰信号,并测量干扰信号参数,形成干扰信号描述字;步骤5、读取干扰信号描述字,根据干扰信号描述字,设计下一帧发射信号形式及波形参数本发明的优点在于:抗干扰处理及时,抗干扰效率高。
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