航空科学技术2024，Vol.35Issue(11)：27-32,6.DOI:10.19452/j.issn1007-5453.2024.11.004
雷达辐射源极化特征参数和到达角快速测量方法
The Rapid Measurement Method of Polarization Characteristic Parameters and Arrival Angle of Radar Radiation Source
摘要
Abstract
The polarization information of radiation signals can reflect the attributes and categories of radar to a certain extent,which is of great significance for radar signal sorting and recognition.Aiming at the shortcomings of the method of measuring electromagnetic polarization parameters,such as large amount of data processing and long calculation time,a fast method of measuring polarization characteristic parameters and arrival angle is proposed in this paper.Firstly,the response model of radiation source signal under orthogonal polarized antenna is constructed,and then the polarization characteristic parameters and arrival angle are measured quickly by combining the principle of interferometer angle measurement with the channel data of each antenna.The experimental results show that the polarization magnitude measurement error of this method is less than 1.5°,the polarization phase difference error is less than 0.2°,and the operation time is shortened by 1.4s compared with the polarization multi-signal classification algorithm.The experimental results fully verify the validity and timeliness of the theoretical model and estimation method proposed in this paper,and provide a new effective way for rapid measurement of electromagnetic polarization characteristics.关键词
极化特征/参数测量/到达角/干涉仪/雷达侦察Key words
polarization characteristic/parameter measurement/arrival angle/phase interferometer/radar reconnaissance分类
信息技术与安全科学引用本文复制引用
苑梦斯,张文旭,孙富礼..雷达辐射源极化特征参数和到达角快速测量方法[J].航空科学技术,2024,35(11):27-32,6.基金项目
航空科学基金(202200200P6002) Aeronautical Science Foundation of China(202200200P6002) （202200200P6002）
