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椭圆隧道中UHF电波传播特性
张亮
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本文分析了椭圆隧道中UHF 电磁波传播的理论、四种波模的截止频率和沿隧道传播的信号强度的衰减率，对衰减率进行了仿真，并将理论结果与实际数据相比较，这些结论有助于设计隧道无线通信系统。
关键词：UHF 无线电波，马丢函数，电磁波模
Abstract: The theoretical study of UHF radio propagation in elliptical tunnels
and the cutoff wavelength of four modes, with particular reference to the rate of
loss of signal strength along a tunnel, is the concern of this paper. In this paper,
the attenuations are simulated, the theoretical results are compared with actual
data, the conclusion will gives a reference to design the wireless communication
system in tunnels.
Key words: UHF radio, Mathieu Function, electromagnetic wave model
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