交通网络分形特征的三种基本分维数计算公式

交通网络分形特征的三种基本分维数计算公式

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Initial contribute: 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Chinese {{currentDetailLanguage}} Chinese

交通网络分形特征的三种基本分维数计算公式

(1)长度维数:

式中,r为区域半径;L(r)为半径为r的地域范围内网络总长度;L1为常系数;DL为长度维数。

(2)分枝维数:

式中,r为回转半径               n(k)为第k同心环带中交通网络分枝数目;

N1为常系数;Db为分枝维数。

(3)关联维数:

式中,                             diji,j两城市之间的距离,θHeaviside

函数;N为某区域城市的个数;Ds为关联维数。

参考文献

刘继生,陈彦光;交通网络空间结构的分形维数及其测算方法探讨。地理学报,199954(5)

How to Cite

《资源环境数学模型手册》 (2018). 交通网络分形特征的三种基本分维数计算公式, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/65214cc8-c1a7-4427-a664-362705cf7feb
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Last modifier : 
tingxin
Last modify time : 
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Contributor

Initial contribute: 2018-12-04

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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 : 
2020-12-22
Modify times : 
View History

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