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阐述合成孔径雷达差分干涉测量(D-InSAR)技术原理和方法,采用二轨法获取西山矿区地表形变信息。通过ARCGIS软件显示形变图,并提取角反射器处形变值,与GPS实测结果一致。验证了高分辨率TerraSAR-X影像监测矿区地表沉降的可行性。
The principle and method of synthetic aperture radar differential interferometry (D-InSAR) are described. Two-track method is used to obtain the surface deformation information of Xishan mine area. The deformation map was extracted by ARCGIS software and the deformation value at the corner reflector was extracted, which was consistent with the GPS measured data. The feasibility of using TerraSAR-X imagery to monitor the ground settlement in the mining area is verified.