二向性反射和方向波谱特征模型

二向性反射和方向波谱特征模型

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Contributor(s)

Initial contribute: 2018-12-04

Authorship

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

Model Description

Chinese {{currentDetailLanguage}} Chinese

二向性反射和方向波谱特征模型

   1)二向性反射分布函数(fbrd)模型:

 

式中,A为像元面积;dsA上反射入射光的小面积元,该面积元可以近似为漫反射表面,其反射系数为Rs),其法线与ir方向夹角的余弦分别为<s,i><s,r>;I(i,s)I(r,s)为从Ir方向ds的可见度;注意此处Rs)为实验室测得的构成ds的材料之波谱特征,故为λ的函数。

2fbrd的数学模型:

式中,AG11为既被照到又被看到的地面面积;AC11为既被照到又被看到的锥面对应的水平总面积;dsds沿i方向投影到地面的面积,与此相似。

参考文献

    李小文:地物的二向性反射和方向波谱特征。环境遥感,198941

How to Cite

《资源环境数学模型手册》 (2018). 二向性反射和方向波谱特征模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/ad0d3f70-abef-46ff-8060-6154b24b7ede
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Last modifier : 
wu kai
Last modify time : 
2020-11-17
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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 : 
wu kai
Last modify time : 
2020-11-17
Modify times : 
View History

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