【作者】 杨熔； 李兴华； 景永奇； 顾尔顺；

【Author】 YANG Rong;LI Xinghua;JING Yongqi;GU Ershun;Beijing General Research Institute of Electronic Engineering;

【机构】 北京电子工程总体研究所；

【摘要】 由雷达照射目标反射的电磁波经地面反射后产生多条路径,在雷达天线处产生干涉效应,使雷达测角产生多径传播误差。本文提出了一种基于等相位面测角的多径传播误差修正算法,通过分析目标反射直达波与多路径反射波的空间干涉合成机理,建立等相位面畸变与单脉冲测角数学模型,实现由目标实测俯仰角解算其真实空间高度,之后利用该算法对外场实测数据中的多径传播误差进行修正,验证了算法的有效性。更多还原

【Abstract】 The interferometric phenomenon caused by the multipath will lead to the propagation error to the radar measurement.In this paper,an angle error correcting algorithm of radar based on phase plane principle is proposed.We analyse the interferometric principle and build the phase plane aberration and the angle measurement error model to get the relationship between the measured angle and the real angle.Then the algorithm is used to correct the angle measurement error of the test data and the result prove the correction and efficiency of the algorithm.更多还原