Retrodirective Cross-Eye Jammer Parameter Estimation Based on Complex Monopulse Ratio

被引：0

作者：

Lv, Tiancheng ^{[1
]}

Zhang, Renli ^{[1
]}

Sheng, Weixing ^{[1
]}

Ma, Xiaofeng ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Nanjing 210094, Jiangsu, Peoples R China

来源：

IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2024年 / 60卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Jamming; Radar antennas; Radar; Receiving antennas; Genetic algorithms; Transmitting antennas; Skin; Complex monopulse ratio (CMR); digital phased array (DPA); genetic algorithm; parameter estimation; retrodirective cross-eye jamming (RCJ); TOLERANCE;

D O I：

10.1109/TAES.2024.3438751

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

By utilizing the complex monopulse ratio (CMR) computed from the digital phased array (DPA) radar, a method for estimating the parameter of retrodirective cross-eye jamming (RCJ) is proposed, which is named as CMR-DPA. In CMR-DPA, the sum and difference beam outputs of an RCJ signal in DPA for a given receive beam direction are derived. CMR induced by RCJ is calculated and found to be determined by the receive beam direction and RCJ parameters. Therefore, a cluster of receive beam directions is appropriately selected and multiple CMRs are measured. Then the RCJ parameter estimation criterion is formulated based on the CMR results. A genetic algorithm is employed to solve the estimation problem. The simulation results demonstrate that CMR-DPA can estimate the RCJ parameters with high accuracy.

引用

页码：9426 / 9436

页数：11

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