消除经纬仪高度对遮蔽角影响的计算方法

消除经纬仪高度对遮蔽角影响的计算方法

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Initial contribute: 2018-12-04

Authorship

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

Detailed Description

Chinese {{currentDetailLanguage}} Chinese

消除经纬仪高度对遮蔽角影响的计算方法

(1)  水平投影法:

  BA指向正北, 为遮蔽物i的顶点,

 在测点A所在的水平面的投影, 为点 

测点所在的水平面的投影。

                           

 

式中, 分别为遮蔽物i在测点A和测点B所在平面上

的高度;bAB两测点之间的水平距离; 分别为B点所测

的第i个目标物的遮蔽角和方位角。

2)垂直投影法:

1 

2 

 

 

式中,为遮蔽物i相对于测点A的遮蔽角。

 

 

式中, 为遮蔽物i相对于测点A的实际方位; 为基线BA

实际方位角,若计算所得 ,则取 

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

 

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《资源环境数学模型手册》 (2018). 消除经纬仪高度对遮蔽角影响的计算方法, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/ad38a44e-51db-467a-8814-ab9fa49482f3
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zhangshuo
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Initial contribute : 2018-12-04

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Authorship

:  
岳天祥编著
:  
yue@lreis.ac.cn
:  
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Last modifier
zhangshuo
Last modify time
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