PS-InSAR技术用于太原市地面沉降形变分析

ANALYSIS OF GROUND SUBSIDENCE DEFORMATION IN TAIYUAN CITY WITH PS-InSAR TECHNIQUE

利用2008年8月～2010年9月间存档的20景ENVISAT ASAR数据,采用PS-InSAR技术进行太原市地面沉降监测。通过二维线性相位回归分析得到太原市2008～2010年的垂直形变速率以及形变时间序列,与同期水准监测结果比较具有很强的一致性。

Taking the ground subsidence in Taiyuan city as an example,we employ PS-InSAR technique with20 scenes of ENVISAT ASAR images acquired between August 2008 and September 2010. Two-dimensional linear regression analysis method is applied to achieve the annual vertical deformation rate map and time-series deformation maps. It proves PS-InSAR results are highly consistent with in-situ leveling measurements.