吉林大学学报(工学版) ›› 2022, Vol. 52 ›› Issue (4): 942-949.doi: 10.13229/j.cnki.jdxbgxb20200920

• 通信与控制工程 • 上一篇    

基于调制宽带转换器技术的侦察干扰一体化设计

陈涛1,2(),高佳旭1,2,张颖1,2   

  1. 1.哈尔滨工程大学 信息与通信工程学院，哈尔滨 150001
    2.哈尔滨工程大学 先进船舶通信与信息技术工业和信息化部重点实验室，哈尔滨 150001
  • 收稿日期:2020-11-29 出版日期:2022-04-01 发布日期:2022-04-20
  • 作者简介:陈涛（1974-），男，教授，博士生导师.研究方向：宽带信号检测、处理与识别.E-mail：chentao@hrbeu.edu.cn
  • 基金资助:
    国家自然科学基金项目(62071137)

Integrated design of reconnaissance and jamming based on modulation wideband converter technology

Tao CHEN1,2(),Jia-xu GAO1,2,Ying ZHANG1,2   

  1. 1.College of Information and Communication Engineering，Harbin Engineering University，Harbin 150001，China
    2.Key Laboratory of Advanced Marine Communication and Information Technology，Ministry of Industry and Information Technology，Harbin Engineering University，Harbin 150001，China
  • Received:2020-11-29 Online:2022-04-01 Published:2022-04-20

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摘要：

针对侦察干扰一体化技术的需求、应用和发展，为解决大带宽同时侦收、干扰的问题，本文提出基于调制宽带转换器（Modulation wideband converter， MWC）技术的侦察干扰一体化设计。该设计包括多路压缩复用接收模块、压缩信号干扰生成模块、多路随机解混模块以及干扰发射模块。首先，将多路接收的信号采用MWC技术实现随机混频，经多路复合后实现单路模数转换器（ADC）采集，得到复合压缩信号；再对压缩信号加入指定样式的干扰生成压缩干扰信号；接下来完成单路数模转换器（DAC）的复合压缩信号随机解混；最后进行多路发射。仿真结果表明，该设计可以在较少的ADC与DAC通道下实现大带宽同时侦察与同时干扰，并验证了信噪比以及混频序列的相关性对干扰信号的影响。

关键词: 雷达信号干扰, 调制宽带转换器, 多路压缩复用, 随机解混

Abstract:

In response to the demand， application and development of integrated technology for reconnaissance and jamming， in order to solve the problem of simultaneous detection and jamming with large bandwidth， this article proposes an integrated design for reconnaissance and jamming based on Modulation Wideband Converter （MWC） technology. The design includes a multi-channel compression multiplexing receiving module， a compressed signal jamming generating module， a multi-channel random demixing module， and a jamming transmitting module. The design firstly uses the MWC technology to realize random mixing of the signals received by the multi-channel， and realizes the single-channel analog-to-digital converter （ADC） reception after multiplexing to get the composite compressed signal. Then a specified pattern of jamming is added to the compressed signal to generate a compressed jamming signal. Next， the random demixing of the composite compressed signal of a single digital-to-analog converter （DAC） is completed. Finally， the signal is multiplexed. The simulation results show that the design can achieve large bandwidth simultaneous reconnaissance and simultaneous jamming with fewer ADC and DAC channels， and verify the influence of the signal-to-noise ratio and the correlation of the mixing sequence on the jamming signal.

Key words: radar signal jamming, modulation wideband converter, multi-channel compression multiplexing, random demixing

中图分类号: 

  • TN97

图1

多路侦收发射的侦察干扰一体化结构"

图2

基于MWC技术的侦察干扰一体化结构"

图3

接收信号和混频函数频谱"

图4

混频信号频谱"

图5

随机解混模块"

图6

采用间歇采样延时叠加转发干扰时解混模块输出信号"

图7

采用噪声调频干扰时解混模块输出信号"

图8

相关系数为0.1时不同信噪比下各个通道的时域波形"

图9

相关系数为0.3时不同信噪比下各个通道的时域波形"

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