首页|A target parameter estimation method via atom-reconstruction in radar mainlobe jamming

A target parameter estimation method via atom-reconstruction in radar mainlobe jamming

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Mainlobe jamming(MLJ)brings a big challenge for radar target detection,tracking,and identification.The suppres-sion of MLJ is a hard task and an open problem in the electronic counter-counter measures(ECCM)field.Target parameters and target direction estimation is difficult in radar MLJ.A target parameter estimation method via atom-reconstruction in radar MLJ is proposed in this paper.The proposed method can sup-press the MLJ and simultaneously provide high estimation accu-racy of target range and angle.Precisely,the eigen-projection matrix processing(EMP)algorithm is adopted to suppress the MLJ,and the target range is estimated effectively through the beamforming and pulse compression.Then the target angle can be effectively estimated by the atom-reconstruction method.Without any prior knowledge,the MLJ can be canceled,and the angle estimation accuracy is well preserved.Furthermore,the proposed method does not have strict requirement for radar array construction,and it can be applied for linear array and pla-nar array.Moreover,the proposed method can effectively esti-mate the target azimuth and elevation simultaneously when the target azimuth(or elevation)equals to the jamming azimuth(or elevation),because the MLJ is suppressed in spatial plane dimension.

mainlobe jamminganti-jammingatom-reconstruc-tionradar

ZHOU Bilei、LIU Weijian、LI Rongfeng、CHEN Hui、ZHANG Liang、DU Qinglei、LI Binbin、CHEN Hao

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Air Force Early Warning Academy,Wuhan 430019,China

Aerospace Nanhu Electronic Information Technology Co.,Ltd.,Jingzhou 434000,China

国家自然科学基金国家自然科学基金Civil Aviation Administration of China

6207148262001510U1733116

2024

系统工程与电子技术(英文版)
中国航天科工防御技术研究院 中国宇航学会 中国系统工程学会 中国系统仿真学会

系统工程与电子技术(英文版)

CSTPCD
影响因子:0.64
ISSN:1004-4132
年,卷(期):2024.35(2)
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