海洋表面油膜的SAR检测机制

海洋表面油膜的SAR检测机制

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Contributor(s)

Initial contribute: 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Application-focused categoriesNatural-perspectiveOcean regions

Model Description

Chinese {{currentDetailLanguage}} Chinese

海洋表面油膜的SAR检测机制

(1)海洋表面膜特征的SAR成像机制:

海洋表面积上的散射截面积模型:

式中,为海洋表面粗糙度的二维海面波高谱;为一次后向散射系数,下标ij表示入射和接收的极化方式;为入射角;k为电磁波波数。

对于水平极化方式:

对于垂直极化方式:

式中,为海水的相对介电常数。

(2) 洋表面油膜的SAR探测机制:

海洋表面波的阻尼模型:

式中,为无表面油膜覆盖海面的雷达后向散射系数;为表面油膜覆盖海面的雷达后向散射系数;分别为镜点散射和Bragg散射的后向散射系数。

 

参考文献:

黄晓霞,朱振海:海洋表面膜特征的SAR

How to Cite

《资源环境数学模型手册》 (2018). 海洋表面油膜的SAR检测机制, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/0c50328f-8b3f-4562-bf7c-d47fa92e3bf3
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Last modifier : 
zhangshuo
Last modify time : 
2020-11-30
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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 : 
zhangshuo
Last modify time : 
2020-11-30
Modify times : 
View History

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