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Research of Interpolation Methods for Area Elevation Anomaly
Author(s): SHEN Jing-xiang, WANG He, LANG Gang, CHEN Ping-chuan
Pages: 23-
26
Year: 2008
Issue:
2
Journal: BEIJING SURVEYING AND MAPPING
Keyword: 高程异常; 曲面拟合; 规则格网; 插值; 似大地水准面;
Abstract: 介绍了部分高程异常内插的方法,结合一个具体的实例,在2km×2km的小范围内采用多项式拟合内插的方法进行高程异常的逼近,运用GPS水准获得的数据进行检查,通过分析,应该采用5参数内插的方法,取得了2.8cm的精度;并据此进行高程异常内插分析,运用MATLAB编写程序对几种插值方法进行讨论.
Citations
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