基于信号结构特点的外源雷达干扰方法研究

万显荣 吕敏 谢德强 胡仕波

万显荣, 吕敏, 谢德强, 等. 基于信号结构特点的外源雷达干扰方法研究[J]. 雷达学报, 2020, 9(6): 987–997. doi: 10.12000/JR20124
引用本文: 万显荣, 吕敏, 谢德强, 等. 基于信号结构特点的外源雷达干扰方法研究[J]. 雷达学报, 2020, 9(6): 987–997. doi: 10.12000/JR20124
WAN Xianrong, LYU Min, XIE Deqiang, et al. Jamming method of passive radar systems based on characteristics of signal structure[J]. Journal of Radars, 2020, 9(6): 987–997. doi: 10.12000/JR20124
Citation: WAN Xianrong, LYU Min, XIE Deqiang, et al. Jamming method of passive radar systems based on characteristics of signal structure[J]. Journal of Radars, 2020, 9(6): 987–997. doi: 10.12000/JR20124

基于信号结构特点的外源雷达干扰方法研究

doi: 10.12000/JR20124
基金项目: 国家自然科学基金(61931015, 61701350),国家重点研发计划(2016YFB0502403),湖北省科技创新项目(2019AAA061),中国博士后创新人才支持计划(BX201600117),中央高校基础研究项目(2042019kf1001)
详细信息
    作者简介:

    万显荣(1975–),男,湖北天门人,教授,博士生导师。2005年在武汉大学获得博士学位,现担任武汉大学电子信息学院教授、博士生导师,主要研究方向为新体制雷达设计,如外辐射源雷达系统、高频天波雷达系统及阵列信号处理。E-mail: xrwan@whu.edu.cn

    吕 敏(1991–),男,安徽宣城人,博士研究生,主要研究方向为外辐射源雷达信号处理、目标跟踪和信息融合。E-mail: mlv@whu.edu.cn

    谢德强(1995–),男,贵州平塘人,博士研究生,主要研究方向为外辐射源雷达系统设计和雷达信号处理。E-mail: xdq2013@whu.edu.cn

    胡仕波(1996–),男,贵州遵义人,博士研究生,主要研究方向为外辐射源雷达系统设计和雷达信号处理。E-mail: hushibo@whu.edu.cn

    通讯作者:

    万显荣 xrwan@whu.edu.cn

  • 责任主编:王俊 Corresponding Editor: WANG Jun
  • 中图分类号: TN958.57

Jamming Method of Passive Radar Systems Based on Characteristics of Signal Structure

Funds: The National Natural Science Foundation of China (61931015, 61701350), The National Key Research and Development Plan of China (2016YFB0502403), The Technological Innovation Project of Hubei Province of China (2019AAA061), The Postdoctoral Innovative Talent Support Program of China (BX201600117), The Fundamental Research Funds for the Central Universities (2042019kf1001)
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  • 摘要: 雷达及其对抗技术在雷达系统发展道路上相互促进,不断进步。近年来,外辐射源雷达凭借其优异的性能受到了国内外研究机构的广泛关注,相关技术得到飞速发展,部分设备已投入使用,但针对该新型雷达的干扰技术研究较少。该文基于辐射源信号结构,分析其信号组成,提出了一种基于信号结构特点的外辐射源雷达干扰方法。以数字广播电视外辐射源雷达为例,结合外辐射源雷达干扰模型,在所提方法下,干扰信号将在距离多普勒谱上形成干扰峰或干扰条带,可有效遮蔽目标,并形成虚假航迹,实现了对外辐射源雷达的干扰目的。仿真结果表明了干扰信号的特性和对目标干扰的有效性,为所提干扰方法在外辐射源雷达中的实际应用奠定基础。所提方法不仅适用于国内外数字广播电视外辐射源雷达,同时可扩展应用于其他类型的外辐射源雷达。

     

  • 图  1  DTMB信号结构示意图

    Figure  1.  The sketch of signal structure for DTMB

    图  2  DVB-T信号帧结构示意图

    Figure  2.  The sketch of signal structure for DVB-T

    图  3  CMMB信号结构示意图

    Figure  3.  The sketch of signal structure for CMMB

    图  4  帧头干扰下DTMB外辐射源雷达的距离多普勒谱

    Figure  4.  The range-Doppler map for DTMB-based passive radar under the jamming of the frame header

    图  5  系统信息干扰下DTMB外辐射源雷达的距离多普勒谱

    Figure  5.  The range-Doppler map for DTMB-based passive radar under the jamming of the system information

    图  6  帧头&系统信息干扰下DTMB外辐射源雷达的距离多普勒谱

    Figure  6.  The range-Doppler map for DTMB-based passive radar under the jamming of the frame header and the system information

    图  7  离散导频干扰下DVB-T外辐射源雷达的距离多普勒谱

    Figure  7.  The range-Doppler map for DVB-T-based passive radar under the jamming of the scatter pilot

    图  8  连续导频干扰下DVB-T外辐射源雷达的距离多普勒谱

    Figure  8.  The range-Doppler map for DVB-T-based passive radar under the jamming of the continuous pilot

    图  9  导频干扰下DVB-T外辐射源雷达的距离多普勒谱

    Figure  9.  The range-Doppler map for DVB-T-based passive radar under the jamming of the pilot

    图  10  信标干扰下CMMB外辐射源雷达的距离多普勒谱

    Figure  10.  The range-Doppler map for CMMB-based passive radar under the jamming of the beacon

    图  11  导频干扰下CMMB外辐射源雷达的距离多普勒谱

    Figure  11.  The range-Doppler map for CMMB-based passive radar under the jamming of the pilot

    图  12  控制信道干扰下CMMB外辐射源雷达的距离多普勒谱

    Figure  12.  The range-Doppler map for CMMB-based passive radar under the jamming of the control channel

    图  13  干扰存在情况下距离多普勒谱多场数据累积结果

    Figure  13.  The cumulative results of multiple-frame data of the range-Doppler map with the jamming

    图  14  干扰存在情况下外辐射源雷达目标跟踪结果

    Figure  14.  The target tracking results of passive radar with the jamming

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出版历程
  • 收稿日期:  2020-09-02
  • 修回日期:  2020-11-08
  • 网络出版日期:  2020-12-28

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