刘洋,许才军,温扬茂

• 1:武汉大学测绘学院/地球空间环境与大地测量教育部重点实验室/地球空间信息技术协同创新中心

摘要(Abstract)：

针对活动断层震间InSAR形变场提取中存在SAR观测数据不足、轨道误差难以合理去除的问题,该文进行了利用单幅InSAR图像提取震间形变场的模拟研究:考虑到InSAR图像中轨道误差和震间形变场的空间分布特征,利用一次多项式模型和深部滑动模型模拟了100组叠加的InSAR形变场;然后采用直接恢复震间形变场、先分离轨道误差再恢复震间形变场、一步法分离轨道误差与恢复震间形变场3种方法对模拟的震间形变场进行了恢复实验。结果表明,基于单幅InSAR图像,利用一步法能够较为准确地恢复震间形变场。

关键词(KeyWords)： InSAR;震间形变场;轨道误差;模拟研究;一步法

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41404007,41431069,41204010);; 国家“973”计划项目(2013CB733304);; 科技基础性工作专项(2015FY210400);; 中国博士后科学基金项目(2013M542062)

作者(Author): 刘洋,许才军,温扬茂

DOI: 10.16251/j.cnki.1009-2307.2016.03.004

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