大气折射对InSAR影响的定量分析

被引:23
作者
游新兆
王琪
乔学军
杜瑞林
机构
[1] 中国地震局分析预报中心
[2] 中国地震局地震研究所
关键词
合成孔径雷达干涉; 大气折射; 地壳形变;
D O I
10.14075/j.jgg.2003.02.020
中图分类号
P225 [电磁波测距和基线测量];
学科分类号
摘要
星载SAR重复轨道干涉利用不同时间观测的SAR影像数据形成干涉图 ,干涉相位中包含有成像几何、大气、地形以及地面形变等信息。为此 ,分析了干涉图中大气参数 (气压、温度与相对湿度 )对干涉相位的影响 ,计算了参数变化对干涉相位、高程与形变误差的影响量 ,并以图形方式描述了分析结果。
引用
收藏
页码:81 / 87
页数:7
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