空载雷达对土壤水分的响应模型

空载雷达对土壤水分的响应模型

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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

空载雷达对土壤水分的响应模型

1)雷达后向散射系数σ0与土壤水分的最优估计模型可用线性最小二次方差法得到:

式中,σ0dB)是在4.6GHz波段,HH极化方向,及入射角为10°,观测角为底角的条件下测量的,mFC0~5)是在土壤表层0~5 cm内的水分。

2)考虑在4.75GHz波段,HH极化方向,及入射角为10°,线性回归方程为

其相关系数为0.802

参考文献

Bradley G A,Ulaby F T:空载雷达对土壤水分的响应。Remote Sensing of Environment,1981,11

 

How to cite

《资源环境数学模型手册》 (2018). 空载雷达对土壤水分的响应模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/75bb5bd9-72a7-4599-a700-a1f6da6bb2d8
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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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