李晓龙,张永红,吴宏安

• 1:辽宁工程技术大学测绘与地理科学学院
• 2:中国测绘科学研究院

摘要(Abstract)：

针对传统永久散射方法和相干目标法干涉图相位解缠的不足,该文提出了一种改进的多主影像相干目标小基线干涉方法。采用融合永久散射方法和相干目标法的优点,较好地平衡了失相干因素的去相干性与干涉目标点之间的矛盾,利用较小的数据集实现地表形变反演;基于14景COSMO-SKYMED雷达影像,采用多主影像相干目标小基线干涉方法提取地表形变信息。基于水准数据验证后的实验结果表明:所提方法不仅可以准确快速地监测出地表沉降区,而且监测精度较高,研究结果可以应用于城市形变监测、地震、滑坡等领域。

关键词(KeyWords)： 多主影像相干目标小基线干涉;小基线;地表形变场;油田

Abstract:

Keywords:

基金项目(Foundation): 国家“973”计划项目(2012CB7199 05);; 国家自然科学基金项目(41304010);; 中国测绘科学研究院基本科研业务费项目(7771610)

作者(Author): 李晓龙,张永红,吴宏安

DOI: 10.16251/j.cnki.1009-2307.2018.05.012

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