吉林大学学报(工学版) ›› 2025, Vol. 55 ›› Issue (3): 1103-1110.doi: 10.13229/j.cnki.jdxbgxb.20230609

• 通信与控制工程 • 上一篇    

使用机载分布式阵列对主瓣复合干扰进行分级抑制

胡刘博1(),吴建新1(),刘泉华2,3,张磊1   

  1. 1.中山大学 电子与通信工程学院，广东 深圳 518107
    2.北京理工大学 信息与电子学院，北京 100081
    3.北京理工大学重庆创新中心，重庆 401135
  • 收稿日期:2023-06-14 出版日期:2025-03-01 发布日期:2025-05-20
  • 通讯作者: 吴建新 E-mail:hulb3@mail2.sysu.edu.cn;wujx65@mail.sysu.edu.cn
  • 作者简介:胡刘博（1994-），男，博士研究生.研究方向：分布式阵列雷达.E-mail：hulb3@mail2.sysu.edu.cn
  • 基金资助:
    国家自然科学基金项目(61971326);广东省自然科学基金项目(2021A1515011979);珠江人才计划引进创新科研团队项目(2019ZT08X751)

Staged suppression of main⁃lobe compound interference using airborne distributed arrays

Liu-bo HU1(),Jian-xin WU1(),Quan-hua LIU2,3,Lei ZHANG1   

  1. 1.School of Electronics and Communication Engineering，Sun Yat-sen University，Shenzhen 518107，China
    2.School of Information and Electronics，Beijing Institute of Technology，Beijing 100081，China
    3.Beijing Institute of Technology Chongqing Innovation Center，Chongqing 401135，China
  • Received:2023-06-14 Online:2025-03-01 Published:2025-05-20
  • Contact: Jian-xin WU E-mail:hulb3@mail2.sysu.edu.cn;wujx65@mail.sysu.edu.cn

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摘要：

针对噪声压制干扰和切片转发干扰同时存在的复合干扰场景，提出一种使用分布式阵列对其进行分级抑制的方法。首先，使用广义内积量对非均匀样本进行挑选，通过二次使用广义内积对样本进行分级挑选，分别获得噪声压制干扰和切片转发干扰的统计特征估计。然后，使用分布式阵列空域自适应处理完成对复合干扰的稳健抑制。最后，在典型的参数设置下，通过数值仿真实验对该方法的有效性和性能进行了验证分析。

关键词: 信号与信息处理, 机载雷达, 主瓣干扰抑制, 复合干扰抑制, 广义内积

Abstract:

For the compound jamming scenario where noise suppression jamming and interrupted sampling repeater jamming simultaneously exist， a method of staged suppression of them using distributed arrays was proposed. Firstly， non-uniform samples are selected using the generalized inner product. By iteratively applying this method in a staged selection process， the statistical feature estimates of noise suppression interference and slice-repeater interference were obtained respectively. Then the robust suppression of the compounded jamming was completed using the distributed array spatial domain adaptive processing. Finally，with typical configuration of parameters， the effectiveness and performance of the proposed method was validated and analyzed through numerical simulation experiments.

Key words: signal and information processing, airborne radar, main-lobe interference suppression, compound interference suppression, generalized inner product

中图分类号: 

  • TN957

图1

机载分布式雷达系统探测示意图"

图2

样本挑选方法"

图3

使用GIP进行干扰类型判断结果"

图4

复合干扰场景下不同干扰抑制方法滤波结果"

图5

复合干扰情况下密假干扰抑制结果"

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