摘要
以单脉冲雷达系统为对象,研究了箔条质心干扰条件下目标的角度估计问题。阐述了一种双极化和差信号模型,分析了目标信号和箔条干扰信号的统计特性。在此基础上,提出了一种基于极化单脉冲雷达估计目标角度的方法,并给出了其处理流程。仿真了在不同的脉冲数、信干比、信噪比和箔条云分布等因素条件下该方法估计目标角度的性能,并与其他方法进行了估计性能对比。
The angle estimation of the target under the condition of chaff centroid jamming is studied based on the monopulse radar system. The sum and difference signal model based on dual polarization is presented, and the statistical characteristics of target and chaff jamming are analyzed. Based on this, a method for estimating the angle of the target based on polarization monopulse radar is proposed, and the main workflow of estimation is given in detail. The simulation experiments on the performance of angle estimation are carried out under the conditions of various values of subpulses, signal to interference ratio （SIR）, signal to noise ratio （SNR）, and chaff clouds＇ distribution, etc., and the estimation performance is compared with the other methods.
作者
刘业民
邢世其
李永祯
孙豆
王雪松
LIU Yemin;XING Shiqi;LI Yongzhen;SUN Dou;WANG Xuesong(State Key Laboratory of Complex Electromagnetic Environment Effects on Electronics and Information System,National University of Defense Technology,Changsha 410073,China;Graduate school,National University of Defense Technology,Changsha 410073,China)
出处
《系统工程与电子技术》
EI
CSCD
北大核心
2018年第8期1713-1719,共7页
Systems Engineering and Electronics
基金
国家自然科学基金(61490692)资助课题
关键词
单脉冲雷达
极化
箔条质心干扰
monopulse radar
polarization
chaff centroid jamming
