A jamming method against bistatic SAR based on modulation theory  

作　　者：RAN Jinhe LI Xiuhe SHEN Yang 

机构地区：[1]Electronic Countermeasure Institute,National University of Defense Technology

出　　处：《Journal of Systems Engineering and Electronics》2019年第3期504-510,共7页系统工程与电子技术（英文版）

基　　金：supported by the National Defense Pre-research Program during the 13th Five-Year Plan(30603050303; 301020302)

摘　　要：This paper focuses on the jamming problem of bistatic synthetic aperture radar (BiSAR), and a jamming method against BiSAR based on modulation theory is proposed. The proposed jamming method modulates the BiSAR signal with the cosinusoidal phase to generate multi-false targets in range, and further rotates the jammer to generate multi-false targets in azimuth. The range multi-false targets and azimuth multi-false targets form the two-dimensional cover jamming or deception jamming, which can protect the important targets efficiently. The number of false targets, the interval of false targets, and the jamming square can be adjusted flexibly by setting different range jamming parameters and azimuth jamming parameters. The jamming performance and the choosing criteria of jamming parameters are also discussed. Finally, the simulated data verify the effectiveness of the jamming method.This paper focuses on the jamming problem of bistatic synthetic aperture radar(BiSAR), and a jamming method against BiSAR based on modulation theory is proposed. The proposed jamming method modulates the BiSAR signal with the cosinusoidal phase to generate multi-false targets in range, and further rotates the jammer to generate multi-false targets in azimuth. The range multi-false targets and azimuth multi-false targets form the two-dimensional cover jamming or deception jamming, which can protect the important targets efficiently. The number of false targets, the interval of false targets, and the jamming square can be adjusted flexibly by setting different range jamming parameters and azimuth jamming parameters. The jamming performance and the choosing criteria of jamming parameters are also discussed.Finally, the simulated data verify the effectiveness of the jamming method.

关 键 词：BISTATIC SYNTHETIC APERTURE radar (BiSAR) cosinusoidal phase COVER jamming MICRO-MOTION modulation 

分 类 号：N[自然科学总论]