热发射率对比方法

热发射率对比方法

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Geography SubjectGIScience & Remote SensingGround Feature Spectrum

Detailed Description

热发射率对比方法

   1)发射率ε表示某种物质在给定温度下的谱辐射L与理想黑体谱辐射LBB的比值:

                     

式中,在温度发射率分离算法中,相对发射率βi可表达为;εi表示波段发射率;表示在所有波段上的平均发射率。

   2)取值的最大区间宽度记为MMD(表现发射率的最大值与最小值的差),则可用来计算最小发射率εmin

          

式中,abc是根据实验数据确定的常数,余下波段的发射率的求解则可表达为

参考文献

    French A NSchmugge T J,Kustas W P:利用热发射率对比判别衰老植被。Remote Sensing of Environment200074

How to cite

《资源环境数学模型手册》 (2018). 热发射率对比方法, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/9a076388-e921-4a29-a895-43b44fa341dc
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Contributor

contributed at 2018-12-04

Authorship

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

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