线性调频波的转发干扰对消分析

陈世春; 黄沛霖; 姬金祖

doi:10.13700/j.bh.1001-5965.2013.0457

线性调频波的转发干扰对消分析

doi: 10.13700/j.bh.1001-5965.2013.0457

北京航空航天大学航空科学与工程学院, 北京 100191

基金项目:

总装“十二五”预先研究资助项目

详细信息

作者简介:
陈世春（1987-），男，四川内江人，博士生，36050225csc@sina.com.

通讯作者:
姬金祖，jijinzu@buaa.edu.cn.

中图分类号: V218
计量
- 文章访问数: 1567
- HTML全文浏览量: 236
- PDF下载量: 476
- 被引次数: 0
出版历程
- 收稿日期: 2013-08-01
- 网络出版日期: 2014-07-20

Analysis on repeater jamming active cancellation for linear frequency modulated wave

School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 提出了一种线性调频波的转发干扰对消方法，该方法利用匹配滤波输出存在时延与频移上的强烈耦合，通过调整对消波的相位和频移，使其匹配滤波输出与原回波输出基本满足时间重合、幅值相近、相位相反的对消关系，减小回波总输出幅值，即可有效降低其被检测概率；推导了只进行调相转发的对消输出公式和同时进行调频调相转发的对消输出公式，分析了其理论输出特性，并分别对其进行了仿真验证.仿真结果表明，对消波若只进行相位调制，其对消效果与转发时延和信号带宽之积相关，此值越小则对消效果越好，但对相位调制和幅度控制的精度要求也越高；对消波若同时进行相位和频率调制，其对消效果由转发时延与信号脉宽之商直接决定，此值越小则对消效果越好，带宽不影响对消效果，但带宽越大则对消效果对频率调制精度要求越高.
- 线性调频 /
- 有源对消 /
- 转发干扰 /
- 隐身技术 /
- 匹配滤波
Abstract: A repeater jamming active cancellation method for linear frequency modulated (LFM) wave was proposed. Utilizing the coupling between time delay and frequency shift of matched filtering output, by phase and frequency modulating, the synthetizing output of cancellation and original wave can meet the cancellation conditions on time, amplitude and phase, consequently the filtering output decreases as well as the detection probability. Formulae for the output of the phase-only modulated wave and phase and frequency modulated wave were derived. Filtering output characteristics were analyzed theoretically. Simulation results show that, for the phase-only modulated wave, the cancellation effect is proportional to the product of repeating time delay and wave bandwidth, decrease of which resulting in a better cancellation effect but a higher demand on the accuracy of phase and amplitude controlling. For the phase and frequency modulated wave, the cancellation effect is decided by the division of repeating time delay and pulse width. Bandwidth of the wave has no influence on the cancellation effect. A wider bandwidth needs a higher accuracy of the frequency modulating.
- linear frequency modulated (LFM) /
- active cancellation /
- repeater jamming /
- stealth technology /
- matched filtering

HTML全文

参考文献(15)

[1]	赵国庆. 雷达对抗原理[M].2版.西安:西安电子科技大学出版社, 2012:12-15 Zhao Guoqing.Principle of radar electronic warfare[M].2nd ed.Xi'an:Xidian University Press, 2012:12-15(in Chinese)
[2]	向迎春, 曲长文, 李炳荣, 等.基于舰船雷达散射特性的对消隐身仿真研究[J].系统仿真学报, 2013, 25(1):104-110 Xiang Yingchun, Qu Changwen, Li Bingrong, et al.Simulation research on cancellation stealth of warship based on its radar scattering properties[J].Journal of System Simulation, 2013, 25(1): 104-110(in Chinese)
[3]	Xu S, Xu Y M. Assemble an active cancellation stealth system[J].Microwaves & RF, 2012, 51(7):S16-S21
[4]	林象平. 雷达对抗原理[M].西安:西北电讯工程学院出版社, 1985:227-228, 290-291 Lin Xiangping.Principle of radar electronic warfare[M].Xi'an:Xibei Telecommunication Engineering Press, 1985:227-228, 290-291(in Chinese)
[5]	王玉军. 线性调频雷达干扰新技术及数字干扰合成研究[D].西安:西安电子科技大学, 2011 Wang Yujun.Study on jamming to chirp radar and digital jamming synthesis[D].Xi'an:Xidian University, 2011(in Chinese)
[6]	贲德, 王峰, 雷志勇.基于认知原理的机载雷达抗干扰技术研究[J].中国电子科学研究院学报, 2013, 8(4):368-372 Ben De, Wang Feng, Lei Zhiyong.Key anti-jamming technique of airborne radar based on cognition[J].Journal of CAEIT, 2013, 8(4): 368-372(in Chinese)
[7]	丁鹭飞, 张平. 雷达系统[M].西安:西安电子科技大学出版社, 1984:7-18 Ding Lufei, Zhang Ping.Radar system[M].Xi'an:Xidian University Press, 1984:7-18(in Chinese)
[8]	Schleher D C. Electronic warfare in the information age[M].Massachusetts:Artech House, 1999
[9]	郭俊杰, 王兴华, 王星, 等.雷达信号频率调制的灵巧噪声干扰技术[J].西安电子科技大学学报, 2013, 40(4): 155-160 Guo Junjie, Wang Xinghua, Wang Xing, et al.New smart noise jamming of radar signal frequency modulation[J].Journal of Xidian University, 2013, 40(4):155-160(in Chinese)
[10]	潘小义, 王伟, 冯德军, 等.基于全脉冲分段转发的LFM雷达干扰方法[J].国防科技大学学报, 2013, 35(3):119-125 Pan Xiaoyi, Wang Wei, Feng Dejun, et al.Repeater jamming against LFM radar based on pulse seperation[J].Journal of National University of Defense Technology, 2013, 35(3):119-125(in Chinese)
[11]	许小剑, 黄培康.雷达系统及其信息处理[M].北京:电子工业出版社, 2010:76-78 Xu Xiaojian, Huang Peikang.Radar system and its signal processing[M].Beijing:Publishing House of Electronics Industry, 2010:76-78(in Chinese)
[12]	DiFranco J V, Rubin W L.Radar detection[M].London:Prentice Hall, 1968:289-309
[13]	Mahafza B R, Elsherbeni A Z.MATLAB simulations for radar systems design[M].London:Chapman & Hall/CRC, 2004
[14]	中航雷达与电子设备研究院.机载雷达手册[M].北京:国防工业出版社, 2004:319-321 Radar and Electronic Technology Research Institute of AVIC.Airborne radar handbook[M].Beijing:National Defense Industry Press, 2004:319-321(in Chinese)
[15]	刘忠. 基于DRFM的线性调频脉冲压缩雷达干扰新技术[D].长沙:国防科学技术大学, 2006 Liu Zhong.Jamming technique for countering LFM pulse compression radar based on digital radio[D].Changsha:National University of Defense Technology, 2006(in Chinese)