| 矩形隧道中的列车对电磁波截止频率的影响 |
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| 引用本文： | 孙继平,石庆冬. 矩形隧道中的列车对电磁波截止频率的影响[J]. 电波科学学报, 2001, 16(1): 100-102 |
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| 作者姓名： | 孙继平 石庆冬 |
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| 作者单位： | 中国矿业大学北京校区信息工程研究所，北京 100083 |
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| 摘 要： | 将隧道看作波导，利用有限元素法，分析了矩形隧道中的列车对电磁波截止频率的影响，可知列车的存在使TE波模的截止频率降低，使TM波模的截止频率升高。
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| 关 键 词： | 波导 矩形隧道 矿井 有限元素法 截止频率 电磁波模 无线通信 |
| 文章编号： | 1005-0388(2001)01-0100-03 |
Effects of trains on cutoff frequency in rectangular tunnel |
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| SUN Ji-ping SHI Qing-dong. Effects of trains on cutoff frequency in rectangular tunnel[J]. Chinese Journal of Radio Science, 2001, 16(1): 100-102 |
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| Authors: | SUN Ji-ping SHI Qing-dong |
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| Abstract: | Effects of trains in a rectangular tunnel on the cutoff frequency were analyzed by the finite-element method when the tunnel had been regarded as a waveguide. Generally, the trains in tunnel lowered TE wave cutoff frequencies and raised TM wave cutoff frequencies. |
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| Keywords: | tunnel waveguide finite-element method cutoff frequency electromagnetic wave mode |
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