系统工程与电子技术 ›› 2019, Vol. 41 ›› Issue (6): 1242-1248.doi: 10.3969/j.issn.1001-506X.2019.06.11

• 传感器与信号处理 • 上一篇    下一篇

基于姿态修正的目标RCS动态测量方法

张浙东, 黎鑫, 张金鹏, 张玉石   

  1. 中国电波传播研究所电波环境特性及模化技术重点实验室, 山东 青岛 266107
  • 出版日期:2019-05-27 发布日期:2019-05-28

Dynamic measurement method of target RCS based on attitude correction

ZHANG Zhedong, LI Xin, ZHANG Jinpeng, ZHANG Yushi   

  1. National Key Laboratory of Electromagnetic Environment, China Research Institute of Radiowave Propagation, Qingdao 266107, China
  • Online:2019-05-27 Published:2019-05-28

摘要: 相比于暗室和固定雷达平台的目标雷达散射截面(radar cross section,RCS)精确测量方法,提出了基于姿态修正的目标RCS动态测量方法。该方法适用于机载、艇载、球载等移动雷达平台,以有源标准目标作为参考目标,创建了雷达天线方向性因子修正方法、有源标准目标天线方向性因子修正方法、极化不一致性估算方法以及空间几何关系计算方法,实现对目标RCS的动态测量。利用S波段机载雷达对方法的有效性进行验证,结果表明:该方法具有较高的测量精度和试验可操作性,可为外场目标RCS的动态测量提供重要的技术支持。

关键词: 雷达平台, 姿态修正, 目标雷达散射截面, 动态测量

Abstract: Compared with the accurate measurement method of the target radar cross section (RCS) in the darkroom and on the fixed radar platform, a dynamic measurement method of the target RCS based on attitude correction is proposed. This method is suitable for airborne, boatborne and balloonborne mobile radar platforms. Taking the active standard target as the reference target, the correction method of the directional factor of the radar antenna and the active standard target antenna, the study of the spatial geometric relationship and the estimation method of polarization inconsistency are established to realize dynamic measurement of the target RCS. The validity of the method is validated by the Sband airborne radar. The results show that the method has high measurement accuracy and experimental operability. It can provide important technical support for the dynamic measurement of the target RCS.

Key words: radar platform, attitude correction, target radar cross section (RCS), dynamic measurement