遮蔽区域内任意点遮蔽角和方位角的计算公式

遮蔽区域内任意点遮蔽角和方位角的计算公式

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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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Application-focused categoriesNatural-perspectiveLand regions

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遮蔽区域内任意点遮蔽角和方位角的计算公式

   1)当 时:

 

 

 

2)当 时:

 

 

 

式中,为遮蔽物i相对于任意点D的方位角,若> 

=- 。若<,则=+

 为遮蔽物iD点的遮蔽角;

D点和主测点A地面的高度差。

3)太阳视运动轨迹:

 

 

式中,为太阳高度角; 为地理纬度; 为太阳赤纬; 为时角;

A为太阳方位角,从正南起顺时针方向计算。

参考文献

林少君: 复杂遮蔽区域日照条件的研究。地理研究,1989,81

 

How to Cite

《资源环境数学模型手册》 (2018). 遮蔽区域内任意点遮蔽角和方位角的计算公式, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/55e5e50a-9aa5-4d3d-82d3-f7242e4fbb6a
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Last modifier : 
tingxin
Last modify time : 
2020-11-06
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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? Feedback

History

Last modifier : 
tingxin
Last modify time : 
2020-11-06
Modify times : 
View History

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