基于元胞自动机的随机噪声SAR  

Random Noise SARs Based on Cellular Automata

作　　者：洪雨[1] 王友林[1] HONG Yu;WANG Youlin(Nanjing Research Institute of Electronics Technology, Nanjing 210039)

机构地区：[1]南京电子技术研究所,南京210039

出　　处：《火控雷达技术》2020年第1期40-43,共4页Fire Control Radar Technology

摘　　要：为了满足复杂的现代电磁环境对SAR雷达系统的要求,把随机噪声技术和合成孔径技术结合起来成为一种很好的选择。本文介绍了随机噪声SAR的特点、成像机理,进行了噪声SAR成像仿真,还分析了基于元胞自动机的随机信号源和噪声雷达系统实现特点,最终进行了实际雷达成像试验。理论分析、仿真和试验证明了噪声信号用于SAR的可行性。In order to meet the requirements imposed by complex modern electromagnetic environment on SAR radar systems,one solution is to combine the random noise technology with the synthetic aperture technology.In this paper,characteristics and imaging mechanism of random noise SARs are described,and imaging simulation is performed.In addition,characteristics of the implementation of a random signal source and random noise radar system based on cellular automata are analyzed.Finally,an imaging test is carried out using a real random noise SAR.Feasibility of noise signal based SARs is proved by theoretic analysis,simulation,and test.

关 键 词：随机噪声 成像仿真 元胞自动机 成像试验 

分 类 号：TN95[电子电信—信号与信息处理]