Method against radar's deception jamming based on particle filter

被引:0
|
作者
机构
[1] [1,2,Zhu, Hong
[2] 1,Zhang, Hai
[3] Tang, Gaodi
[4] Li, Zhongyun
来源
Tang, Gaodi | 1600年 / Editorial Office of High Power Laser and Particle Beams卷 / 26期
关键词
Anti-jamming - Deception jamming - Importance weights - Improved particle filter - Jamming to signal ratio - Measurement Noise - Particle filter - State transition equation;
D O I
10.11884/HPLPB201426.113201
中图分类号
学科分类号
摘要
According to radar's anti-deception-jamming, this paper studies an algorithm based on particle filter with the fact that the power of deception jamming is higher than target echo signal. When deception jamming appears, the importance weight values of particles in particle filter will get smaller, and we could detect the jamming and set the sampling point zero. In this way, the jamming will not match with the matched filter, and the jamming is restrained. In order to make the algorithm more practicable, this paper develops an improved particle filter that doesn't need to estimate state transition equation and measurement noise. Simulations are given to show that this approach can effectively restrain deception jamming and it is little affected by jamming to signal ratio.
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