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基于距离-多普勒补偿的多基雷达协同抗主瓣压制干扰

胡勤振 杨建宇 吴良斌 高超 路成军

胡勤振, 杨建宇, 吴良斌, 高超, 路成军. 基于距离-多普勒补偿的多基雷达协同抗主瓣压制干扰[J]. 电子与信息学报, 2021, 43(3): 516-522. doi: 10.11999/JEIT200229
引用本文: 胡勤振, 杨建宇, 吴良斌, 高超, 路成军. 基于距离-多普勒补偿的多基雷达协同抗主瓣压制干扰[J]. 电子与信息学报, 2021, 43(3): 516-522. doi: 10.11999/JEIT200229
Qinzhen HU, Jianyu YANG, Liangbin WU, Chao GAO, Chengjun LU. Main-lobe Suppression Jamming Cancellation for Multistatic Radar Based on Range-Doppler Bias Offsetting[J]. Journal of Electronics and Information Technology, 2021, 43(3): 516-522. doi: 10.11999/JEIT200229
Citation: Qinzhen HU, Jianyu YANG, Liangbin WU, Chao GAO, Chengjun LU. Main-lobe Suppression Jamming Cancellation for Multistatic Radar Based on Range-Doppler Bias Offsetting[J]. Journal of Electronics and Information Technology, 2021, 43(3): 516-522. doi: 10.11999/JEIT200229

基于距离-多普勒补偿的多基雷达协同抗主瓣压制干扰

doi: 10.11999/JEIT200229
基金项目: 中国博士后科学基金(2019M651993)
详细信息
    作者简介:

    胡勤振:男,1988年生,博士生,研究方向为雷达探测与抗干扰

    杨建宇:男,1963年生,教授,研究方向为新体制雷达探测与成像技术

    吴良斌:男,1965年生,研究员,研究方向为机载雷达系统设计

    高超:女,1986年生,高级工程师,研究方向为雷达抗干扰技术

    路成军:男,1985年生,博士生,研究方向为阵列信号处理

    通讯作者:

    杨建军 jyyang@uestc.edu.cn

  • 中图分类号: TN974

Main-lobe Suppression Jamming Cancellation for Multistatic Radar Based on Range-Doppler Bias Offsetting

Funds: China Postdoctoral Science Foundation (2019M651993)
  • 摘要: 针对多基地雷达系统中多普勒频差导致干扰信号的去相关的问题,该文提出一种基于距离-多普勒补偿的多基雷达协同抗主瓣压制干扰方法。首先,通过不同雷达平台接收到的干扰信号的互相关函数,分析了多普勒频差对多平台干扰信号的相关性影响。其次,通过最大化时间-多普勒2维相关函数对传播延时差与多普勒频差进行估计和补偿,实现主瓣干扰抑制。然后,为了降低运算量,先利用幅度相关估计出传播延时差,再估计出多普勒频差。仿真结果表明,通过多普勒频率补偿后进行干扰信号级相消处理,可有效抑制主瓣压制干扰。
  • 图  1  多基雷达协同抗压制干扰场景

    图  2  回波信号数值仿真

    图  3  多普勒频差对同源干扰信号的相关特性分析

    图  4  传播延时差和多普勒频差联合估计

    图  5  基于幅度相关的传播延时差和多普勒频差联合估计

    图  6  平台1干扰抑制后回波功率

    图  7  速度偏差对输出信噪比影响

    图  8  速度估计偏差分析

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  • 被引次数: 0
出版历程
  • 收稿日期:  2020-04-03
  • 修回日期:  2020-10-26
  • 网络出版日期:  2020-10-29
  • 刊出日期:  2021-03-22

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