Chaff Jamming Recognition of Radar

被引：0
|
作者：
Min Xie [1 ]
Shuang Zhao [1 ]
Xiongjun Fu [1 ]
Tianyu Zhang [1 ]
Kaiqiang Liu [1 ]
机构：
[1] School of Information and Electronics,Beijing Institute of Technology
来源：
Journal of Beijing Institute of Technology | 2018年 / 27卷 / 01期
基金：
中国国家自然科学基金;
关键词：
chaff jamming; anti-jamming; grey relational analysis; radar;
D O I：
10.15918/j.jbit1004-0579.201827.0106
中图分类号：
TN974 [雷达电子对抗];
学科分类号：
080904 ; 0810 ; 081001 ; 081002 ; 081105 ; 0826 ; 082601 ; 1104 ;
摘要：
A modified chaff jamming recognition method of radar is investigated using grey relational analysis( GRA) based on the difference in echo correlation characteristics between a complex rigid target and chaff cloud in time domain. Slice method( SM),a novel modeling approach,is proposed to construct an electromagnetic scattering model of chaff cloud in a scenario with slowly moving platform that is targeted. The diffusion characteristics and echo characteristics of the chaff cloud are analyzed. The GRA of a real target and chaff cloud shows that the adjacent return waves have a good correlation for the target but a weak correlation for chaff cloud. Since the correlation degree of chaff cloud’s echo is far lower than that of a complex rigid target’s,the chaff jamming can be identified by setting a reasonable threshold. Simulation results are presented to verify the effectiveness of this method.
引用
收藏
页码：43 / 50
页数：8
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