基于信息维数的欺骗干扰存在性检测

doi:10.13229/j.cnki.jdxbgxb201602041

吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (2): 616-620.doi: 10.13229/j.cnki.jdxbgxb201602041

基于信息维数的欺骗干扰存在性检测

祝宏^{1, 2, 3}, 张海^{1, 3}, 唐高弟¹, 李中云¹, 刘以农²

1.中国工程物理研究院电子工程研究所,四川绵阳 621999;
2.清华大学工程物理系,北京 100084;
3.中国工程物理研究院中物院复杂电磁环境科学与技术重点实验室,四川绵阳 621999

收稿日期:2014-06-24 出版日期:2016-02-20 发布日期:2016-02-20
通讯作者: 张海(1968-),男,研究员.研究方向:雷达系统及信号处理.E-mail:e2zhanghai@aliyun.com E-mail:zhu-h06@163.com
作者简介:祝宏(1987-),男,博士研究生.研究方向:雷达信号处理,雷达抗干扰技术.E-mail:zhu-h06@163.com
基金资助:
中物院复杂电磁环境科学与技术重点实验室项目 (2014E-05-1)

Detection of presence of deception jamming based on information dimension

ZHU Hong^{1, 2, 3}, ZHANG Hai^{1, 3}, TANG Gao-di¹, LI Zhong-yun¹, LIU Yi-nong²

1.Institute of Electronic Engineering,CAEP,Mianyang 621999,China;
2.Department of Engineering Physics,Tsinghua University,Beijing 100084,China;
3.Key Lab of Science and Technology in Complex Electromagnetic Environment,CAEP,Mianyang 621999,China

Received:2014-06-24 Online:2016-02-20 Published:2016-02-20

摘要/Abstract

摘要： 利用欺骗干扰信号与目标回波包络上的不同,基于分形理论中的信息维数提出了一种欺骗干扰的存在性检测方法.当信号本身的信息维数与信号包络的信息维数之差超过一定门限时,可判断存在欺骗干扰,同时可获知欺骗干扰的起始时刻.仿真结果表明:本文算法在干噪比不低于6 dB时,检测概率在90%以上.

关键词: 雷达工程, 抗干扰, 欺骗干扰, 分形维数, 信息维数

Abstract: A detection algorithm of the presence of deception jamming is proposed based on information dimension with the fact that the signal envelopes of deception jamming and target return are different. The algorithm can detect the existence or not of a deception jamming and find its initial time after calculating the difference between the signal's information dimension and the signal envelope's dimension. Simulation results show that this approach can detect deception jamming effectively when JNR is no less than 6 dB, and the detection probability is higher than 90%.

Key words: radar engineering, anti-jamming, deception jamming, fractal dimension, information dimension

中图分类号:

TN974

祝宏, 张海, 唐高弟, 李中云, 刘以农. 基于信息维数的欺骗干扰存在性检测[J]. 吉林大学学报(工学版), 2016, 46(2): 616-620.

ZHU Hong, ZHANG Hai, TANG Gao-di, LI Zhong-yun, LIU Yi-nong. Detection of presence of deception jamming based on information dimension[J]. 吉林大学学报(工学版), 2016, 46(2): 616-620.

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基于信息维数的欺骗干扰存在性检测

Detection of presence of deception jamming based on information dimension

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