Kriging插值模型

Kriging插值模型

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Contributor(s)

Initial contribute: 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
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Method-focused categoriesData-perspectiveGeostatistical analysis

Model Description

Chinese {{currentDetailLanguage}} Chinese

Kriging插值模型

(1)    如果是在位置需要估计的值,是在相应位置的样本值,是给予每个样本值的权重,则一般估计可表示为:

(2)    Kriging插值方法有两个要求,式中一个是估计必须是无偏的,即:

此要求应满足:

  

    一般Kriging插值过程即是解出权重值,其条件为保证权重值之和为1,使对所有估计的点最小化,同时使估计方差最小化,即V为变异函数。

参考文献

Rossi R E.Dungan J L,BeckL R:盲区的Kriging差值――遥感的地学统计差值方法。RemoteSensing of Environment,199449

 

How to Cite

《资源环境数学模型手册》 (2018). Kriging插值模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/ff43f688-596b-4dae-98b0-cddbabbecfe8
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History

Last modifier : 
Zhiyi Zhu
Last modify time : 
2020-12-18
Modify times : 
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Contributor

Initial contribute: 2018-12-04

Co-contributor(s)

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feedback

History

Last modifier : 
Zhiyi Zhu
Last modify time : 
2020-12-18
Modify times : 
View History

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