针对阵列雷达极化测量的极化干扰效果对比分析  

Study of Full-polarization Interference Technology on Polarization Measurement of Array Radar

作　　者：张晓文 郝志梅 王强 ZHANG Xiao-wen;HAO Zhi-mei;WANG Qiang(AVIC Leihua Electronic Technology Research Institute,Jiangsu Wuxi 214063,China)

机构地区：[1]中国航空工业集团公司雷华电子技术研究所,江苏无锡214063

出　　处：《现代防御技术》2022年第5期77-84,共8页Modern Defence Technology

摘　　要：为降低阵列雷达对来波极化信息的测量精度、阻碍雷达生成极化抗干扰滤波器,开展了极化干扰对雷达极化测量的影响研究,提出一套稳健、适应性强、易于操作的极化干扰生成方案。基于精细信号模型阐述极化测量的基本流程并分析其特点,得出极化域自由度不足和大功率导向是极化测量的固有缺陷的结论,这也是极化干扰实施的基本原理。针对几种经典的干扰模式和极化调制方法对雷达测量结果的干预诱骗作用进行理论推导和结果预测,并进行了仿真实验验证。研究表明,随机极化调制干扰对阻碍雷达极化测量更有效。To impair the accuracy of polarization measurement of radar and hinder the construction of polarization filter,a study of full-polarization interference technology on polarization measurement and a robust,adaptable and operational polarization modulation method are provided.A classic polarization measurement based on the elaborately deduced signal model is described along with its performance analysis.It clarifies that it is the lack of polarization freedom and the power-driven lead to the inherent disadvantage,which is of fundamental importance to interference.Furthermore,it predicts the results imposed by some commonly used interference modes and modulations theoretically,which are verified by simulation experiments.For all above research,the random-polarization interference performs more effective in polarization measurement.

关 键 词：全极化阵列 极化测量 全极化干扰 极化调制方法 极化参数 

分 类 号：TJ760[兵器科学与技术—武器系统与运用工程] TN974[电子电信—信号与信息处理]