合成孔径雷达干涉测量原理与应用

被引:16
作者
游新兆
乔学军
王琪
杜瑞林
机构
[1] 中国地震局地震研究所
关键词
合成孔径雷达干涉; 原理; 数字高程模型; 地表形变;
D O I
10.14075/j.jgg.2002.03.027
中图分类号
P225.1 [无线电测距];
学科分类号
摘要
合成孔径雷达 (SAR)是一种微波相干成像方法 ,应用不同波段的雷达信号可以对地球表面不同的散射特性成像。合成孔径雷达干涉 (InSAR)是将两个不同轨道位置或不同时间获得的复数SAR数据进行相位差分处理 ,从这些差分干涉数据中可以提取特别有用的信息 ,用于绘制地形图 ,测量诸如地震、火山、冰川运动等造成的地形变 ,研究植被覆盖特性、洋流等。介绍了InSAR的基本原理与应用 ,并对影响干涉结果的一些重要因素进行了分析。
引用
收藏
页码:109 / 116
页数:8
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