大地测量与地球动力学2011，Vol.31Issue(1)：113-116,122,5.
基于似大地水准面格网的插值方法及精度分析
INTERPOLATION METHODS AND ACCURACY ANALYSIS BASED ON GRID QUASI-GEOID MODEL
摘要
Abstract
There are two factors: affecting the accuracy of GPS height transformation based on quasi-geoid model, the geodetic height accuracy and interpolated height anomaly accuracy. On the basis of the simulation and practical quasi-geoid models, the effect and accuracy of GPS height anomaly interpolation are analyzed with four methods, including inverse distance interpolation, linear interpolation, Shepard interpolation and Chebyshev interpolation, the results show that the Chebyshev interpolation method is accurate and stable for the high resolution quasi-geoid model.关键词
似大地水准面模型/高程异常内插/GPS高程转换/精度分析/切比雪夫插值Key words
quasi-geoid model/ interpolation of height anomaly/ GPS height transformation/ accuracy analysis/Chebyshev interpolation分类
天文与地球科学引用本文复制引用
张兴福,魏德宏..基于似大地水准面格网的插值方法及精度分析[J].大地测量与地球动力学,2011,31(1):113-116,122,5.基金项目
中国科学院动力大地测量学重点实验室开放基金(L09-07) （L09-07）
