在3.75μm波段反射信号的AVHRR数据恢复模型

在3.75μm波段反射信号的AVHRR数据恢复模型

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Initial contribute: 2018-12-04

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

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Chinese {{currentDetailLanguage}} Chinese

3.75μm波段反射信号的AVHRR数据恢复模型

    1AVHRR波段3中表面反射系数的求解

     在无云的大气情形及局部热力学平衡的条件下,在热波段i345是对AVHRR)测量到大气顶部发出的辐射,视顶角为θv及视方位角为ψv,而太阳坐标为(θs,ψs),

式中,

fi(λ)是辐射仪在波段i的谱响应;ελ是表面光谱发射率;BλT)是温度T时的普朗克光谱辐射函数;Ts是表面温度;τλ(τλ)是大气的上行光谱透射率(下行光谱透射率);ρbλ是表面的二向光谱反射率;p是气压;是外大气层的光谱辐射。

   2)从表面反射并透射到大气顶部的太阳光称为反射贡献成分:

     而热红外部分则称为发射贡献成分:

 

因此,简化可得:

    

3)波段3的反射贡献成分可写为:

参考文献

   Roger J C,Vermote E F:AVHRR数据恢复在3.75μm波段反射信号的方法。Remote Sensing of Environment199864

How to Cite

《资源环境数学模型手册》 (2018). 在3.75μm波段反射信号的AVHRR数据恢复模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/64028ad7-3785-4c0f-8bba-4eb38eeed25c
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Last modifier : 
wu kai
Last modify time : 
2020-11-16
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Contributor

Initial contribute: 2018-12-04

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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 : 
2020-11-16
Modify times : 
View History

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