摘要
根据合成孔径雷达原理,分析了合成孔径雷达的多普勒信号历程,由此建立了合成孔径雷达点目标和分布式目标的回波信号数学模型,并结合噪声干扰的特点,分析合成孔径雷达热噪声及噪声干扰信号仿真数学模型。在此基础上,建立了合成孔径雷达成像/干扰仿真系统。通过该系统,产生了合成孔径雷达在受噪声干扰前后图像,并分析了产生变化的原因。
From the theory of SAR and noise jamming, the Doppler signal course of SAR is analyzed and the signal simulation mathematical modes of point target, distributed target, hot noise and noise jamming are constructed. On this basis, the SAR imaging/jamming simulation system is developed. With this system, the difference of images before and after jamming and the cause for this difference are analyzed.
出处
《系统工程与电子技术》
EI
CSCD
北大核心
2004年第11期1564-1566,共3页
Systems Engineering and Electronics
