测量发射率的双温度法

测量发射率的双温度法

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Initial contribute: 2018-12-04

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

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测量发射率的双温度法

光谱发射率可如此确定,在一天中的两个时刻测量景物的辐射,即得到两个不同的温度,可得到下面的方程:

式中,是测量信号;是光谱发射率;是在温度时的黑体辐射;下标ij分别表示波段和时刻。确定的一个方法是得到测量信号在两个时刻的比值:

上式可在两个温度下解出。

 

参考文献:

Watson K:测量发射率的双温度法。Remote Sensing ofEnvironment199242

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《资源环境数学模型手册》 (2018). 测量发射率的双温度法, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/1b2ce3e6-8dac-43e3-88fb-8fc1bd5e1786
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zhangshuo
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Initial contribute : 2018-12-04

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岳天祥编著
:  
yue@lreis.ac.cn
:  
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zhangshuo
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