论文部分内容阅读
多基线InSAR具有高可靠性与高精度的优势,是InSAR技术发展的方向之一。为了提供研究多基线InSAR技术的良好实验数据,针对正侧视SAR成像的几何特点,以F.Leberl构像模型建立像点与地面点之间的坐标关系,借鉴摄影测量中的正射纠正方法,分别设计了利用DEM进行多基线InSAR干涉图模拟的直接法仿真方案和间接法仿真方案。采用多套DEM进行了仿真实验,得到了满意的仿真效果,结合仿真结果分析了不同仿真方案的特点。
Multi-baseline InSAR has the advantages of high reliability and high accuracy, which is one of the directions for the development of InSAR technology. In order to provide good experimental data for studying multi-baseline InSAR technology, aiming at the geometric features of the frontal-looking SAR imaging, the coordinate relationship between the image point and the ground point is established by the F.Leberl conformational model. Referring to the orthorectification method in photogrammetry , Respectively, designed by the DEM multi-baseline InSAR interferograms simulation direct method simulation method and indirect simulation program. Multiple sets of DEM were used to simulate the experiment, and the satisfactory simulation results were obtained. Based on the simulation results, the characteristics of different simulation schemes were analyzed.