D-InSAR技术在矿山沉陷和地面沉降监测中的应用

Application of D-InSAR techniques in surface subside and mining landslide

差分雷达干涉(D-InSAR)测量技术,是合成孔径雷达(SAR)卫星应用的一个拓展。雷达图像的差分干涉图可用于监测厘米级或更微小的地面形变,具有全天候、大面积监测地面沉降和矿山沉陷的优势,本文以武安矿山沉陷和沧州市地面沉降监测为例,介绍了这一新技术在灾害监测领域中的实际应用。

SAR Differential Interferometric Technique （D-InSAR） is an extension of Synthetic Aperture Radar （SAR）. The radar image of differential interferometry can be used to detect the crustal deformation at centimeter scale or even more accurate. It has the advantages of all-weather and wide area in monitoring settlement of ground surface and subsidence of mine. Based on the monitoring for subsidence in Wu＇an mine and settlement in Cangzhou area, the application of the new technique in natural calamity monitoring is introduced.