高腾飞， 陶秋香^*， 肖恭伟

（  山东科技大学 测绘科学与工程学院，山东 青岛 266590；  ）

摘要： 阐述与分析了基于GAMMA的双轨D-InSAR技术的数据处理流程及其关键技术，以兖州矿区地面沉降为研究对象，对三景L波段的ALOS PALSAR雷达影像进行处理，得到研究区地面沉降图。在此基础上，借助Arcgis、ENVI等对兖州矿区在2007.12.22-2008.02.06、2008.02.06-2008.03.23两个成像期间的沉降进行详细对比分析，得到其沉降分布图、东滩矿区地面沉降图、三维沉降图、剖面图、部分特征点的沉降情况等。研究结果表明利用L波段双轨D-InSAR技术可以对矿区的地面沉降位置、分布、沉降量等信息进行直观、详细的 对比分析和重现，为D-InSAR技术监测矿区地面沉降的应用与分析提供新的思路。
关键词： 地面沉降；合成孔径雷达差分干涉测量；矿区；双轨法；GAMMA

Gao Tengfei， Tao Qiuxiang^*， Xiao Gongwei

（  Geomatics College ,Shandong University of Science and Technology ,Qingdao ,Shandong 266590 ,China；  ）

Abstract： The data processing flow and key techniques of two-pass differential interferometry synthetic aperture radar based on GAMMA are described and analyzed .Taking yanzhou mining area as the experimental object ,three L-land ALOS PALSAR images are processed to generate mining subsidence. On the basis of this, the Arcgis, ENVI and other software are used to analyze the mining area of InSAR deformation figure used two processing images between 2007.12.22-2008.02.06 and 2008.02.06-2008.03.23，finally obtained mining subsidence and Dongtan mining-induced subsidence,3D deformation map, profile ,the subsidence of some feature points.The results show that L-land radar data and two-pass differential InSAR can be a direct,analysis and reconstruction of the information about the ground subsidence, distribution and settlement of the mining area ,and it provides a new way to think the application and analysis of D-InSAR technology in monitoring mining-induced subsidence.
Keywords： land subsidence; D-InSAR; mining area ; two-pass differential InSAR ;GAMMA

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