凸优化InSAR复杂体建筑物高程反演方法

Convex Optimized InSAR Evevation Inversion Method for Complex Building Elevations

针对城镇化复杂体高层建筑物反演方法的优化问题,构建复杂体建筑InSAR复图像对仿真系统,优化多基线高程反演过程,提高高程反演的准确度。仿真实验与机载N-SAR系统录入城市实测数据进行对比分析,结果表明,仿真结果与复杂体建筑物实际数据相符,验证了此仿真方法的准确性与高效性;优化后高程反演结果精确度明显提高,误差精度达到1m,对高层建筑进行更加准确的参数化解析和信息反演以及常态化SAR辐射定标提供了技术支撑。

Aiming at the optimization of the inversion method of high-rise complex buildings in urbanization,InSAR complex image pair simulation system is constructed to optimize the multi baseline elevation inversion process and improve the precision of.According to the geometric relationship of interferometric SAR,the required digital 3D elevation map is obtained.Finally,combined with the measured data,the effectiveness of the method is verified.The results show that the simulation results are consistent with the actual data of complex buildings,which verifies the accuracy and efficiency of the simulation method adopted by the system;The optimized elevation inversion results are better,and the error accuracy reaches 1m.