A review of non-stationary spatial methods for geodetic least-squares collocation

被引:9
作者
Darbeheshti, N. [1 ]
Featherstone, W. E.
机构
[1] Curtin Univ Technol, Western Australian Ctr Geodesy, Perth, WA 6845, Australia
基金
澳大利亚研究理事会;
关键词
geodesy; least-squares collocation; geostatistics; spatial statistics; non-stationarity; MODELS; GPS;
D O I
10.1080/14498596.2010.521971
中图分类号
P9 [自然地理学];
学科分类号
0705 ; 070501 ;
摘要
This paper reviews a field that is herein termed spatial 'non-stationarity', which is specifically concerned with non-stationarity in the geodetic theory of least-squares collocation (LSC). In practice, many geodesists rely on stationary assumptions in LSC, i.e. using a constant mean and isotropic and spatially invariant covariance for estimation and prediction of geodetic quantities. However, new theories in spatial statistics and geostatistics allow for better statistical methodologies to be used in geodesy. The aim of this paper is to introduce these methodologies and adapt them for dealing with non-stationarity in LSC.
引用
收藏
页码:185 / 204
页数:20
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