张夕宁,杨红磊,姜君,彭军还,徐佳佳

• 1:中国地质大学(北京)土地科学技术学院

摘要(Abstract)：

针对目前地基合成孔径雷达干涉测量技术中大气影响造成的相位延迟校正方法存在的校正精度低、方法复杂、技术要求高等不足,提出了一种基于高相干点的地基InSAR大气延迟相位函数模型校正方案。该方案不需多幅SAR影像,不需人工布点,节省了大量人力物力。以高相干点的相干值作为权阵参与计算,该方法可得到更精确的校正结果。运用该方法将地基雷达对山西省吕梁市林家坪工程滑坡获取的数据进行大气延迟改正的实验。结果表明:所提方案不仅处理方法简单,改正效果明显,而且能满足绝大多数类似工程的精度要求,更为经济实用。

关键词(KeyWords)： 地基合成孔径雷达干涉测量;步进频率连续波;大气延迟相位;高相干点;最小二乘法

Abstract:

Keywords:

基金项目(Foundation): 基金委青年科学基金项目(41304012);基金委国家重大科研仪器设备研制专项(自由申请项目)(61427802);基金委重点项目(41330634);基金委面上项目(41374016);; 2014年大学生创新性实验计划项目(201411415040)

作者(Author): 张夕宁,杨红磊,姜君,彭军还,徐佳佳

DOI: 10.16251/j.cnki.1009-2307.2017.01.011

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