区域似大地水准面精化算法及成果三维仿真研究

摘要

Using GPS leveling to replace heavy geometry leveling work must determine high -precision and high-resolution local qua-si geoid.This paper introduces the function model , stochastic model and integrated model algorithm , and based on the GPS leveling data of experimental area , through the calculation of various algorithms , the paper verifies the validity and reliability of the algorithms . Results show that the accuracy of the least squares configuration algorithm is higher .Through three dimensional simulated experiment results, we can visually analyze the change of local quasi geoid .%利用GPS水准代替繁重的几何水准测量工作，必须确定高精度、高分辨率的似大地水准面。本文分别介绍了函数模型算法、随机模型算法和综合模型算法，并基于试验区域的GPS水准数据，通过各种算法的分类计算比较，验证了这几种模型算法的有效性和可靠性，结果证明最小二乘配置算法精度较高，并对实验结果进行三维仿真，可视化的分析似大地水准面的变化。