微波雷达对玉米和高粱的冠层水分、叶面积指数和干重的响应模型

微波雷达对玉米和高粱的冠层水分、叶面积指数和干重的响应模型

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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 SensingRemote Sensing Imagery

Detailed Description

微波雷达对玉米和高粱的冠层水分、叶面积指数和 干重的响应模型

(1) 散射截面积()与雷达天线接收到的功率()的关系为:

式中,是发射功率;是发射天线的增益;是接收天线的增益;是波长;是目标距离;A是目标面积。

(2) UlabyBush定义了―归―化水分含量

其中分别是玉米的湿重和干重,h是植物高度。与雷达在17GHz, ,VV(垂直发射,垂直接收)极化方向上的散射系数的最佳拟合关系为:

 

参考文献:

BrakkeT W,KanemasuE T,Steiner J L et al:微波雷达对玉米和高梁的冠层水分、叶面积指数和干重的响应。Remote Sensing of Environment, 1981, 11

How to cite

《资源环境数学模型手册》 (2018). 微波雷达对玉米和高粱的冠层水分、叶面积指数和干重的响应模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/b57d8733-5a78-4648-b625-a2f16e91d35c
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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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