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Analysis of Law of Radio Ray Transmission in Underground Tunnel with Matlab
Author(s): 
Pages: 99-101
Year: Issue:  8
Journal: SAFETY IN COAL MINES

Keyword:  井下无线网络巷道中的电磁波射线追踪法电波传输仿真;
Abstract: 在帐篷定律的基础上,建立起矩形巷道射线传输模型,介绍了各次射线传输距离的迭代算法,并在此理论基础上利用matlab仿真的手段对巷道中无线电波传输规律进行了研究,得出了有别于传统的重要结论:当频率升高时,时延扩展降低;时延扩展随距离增加而有所增加.传统意义上的多径效应问题在巷道内反而成了信号增强和弯道传输的有效手段.
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