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
收藏
页码：9426 / 9436
页数：11
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