GPS高程拟合中二次曲面函数及多面函数法精度探讨

Discussion on the Accuracy of Quadratic Surface Function and Polyhedral Function Method in GPS Elevation Fitting

文章主要阐述了高程拟合二次曲面函数、多面函数法原理。运用Matlab软件,将多面函数法、二次曲面函数法编程建模,处理某区域的GPS和水准测量数据,并分析了处理结果,比较了两个拟合模型在相同条件下的拟合精度,以供参考。

This paper mainly expounds the principle of elevation fitting quadratic surface function and polyhedral function method.Using Matlab software,the polyhedral function method and the quadratic surface function method are programmed and modeled to process the GPS and leveling data in a certain area,and the processing results are analyzed.The fitting accuracy of the two fitting models under the same conditions is compared for reference.