ISAR高分辨率成像方法综述  

A Review of High-Resolution Inverse Synthetic Aperture Radar Imaging Methods

作　　者：金胜[1,2] 朱天林[1] 

机构地区：[1]北京跟踪与通讯技术研究所,北京100094 [2]空间目标测量重点实验室,北京100094

出　　处：《雷达科学与技术》2016年第3期251-260,266,共11页Radar Science and Technology

摘　　要：逆合成孔径雷达(Inverse Synthetic Aperture Radar,ISAR)可以实现对目标全天时、全天候、远距离和高分辨率的观测,在军事和民用领域中具有广泛的应用价值。首先,系统地总结了近年来在ISAR二维成像方面的研究进展。其次,从包络对齐与自聚焦两方面对平动补偿的研究现状进行了分析。再次,在分析传统ISAR成像方法的基础上,对4种超分辨成像方法进行归纳总结。然后,对大转角成像算法进行对比分析,给出不同算法的适用范围。同时,对多目标成像和微动目标成像的研究进展进行了综述和分析。最后,对未来ISAR成像的热点问题和发展趋势进行了展望。Because of its all-day,all weather,long range and high-resolution operation capabilities,inverse synthetic aperture radar（ISAR）has found wide applications in military and civil areas.This paper summarizes the advances in 2-D ISAR imaging in recent years.Then,it analyzes the translational motion compensation methods from envelope alignment and auto-focusing respectively.After that,four super-resolution imaging methods based on the analysis of traditional imaging techniques are reviewed.Additionally,the wideangle imaging methods and derives their application scope are compared.Furthermore,the advances in ISAR imaging of multiple/micro-motion targets are given.Finally,the potential hotspots problems and future works are discussed.

关 键 词：逆合成孔径雷达成像 平动补偿 二维成像 三维成像 图像定标 

分 类 号：TN957[电子电信—信号与信息处理]