| 隧道中无线信道的相干带宽研究分析 |
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| 引用本文： | 崔洁,刘辉.隧道中无线信道的相干带宽研究分析[J].软件,2011,32(9):61-63,66. |
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| 作者姓名： | 崔洁 刘辉 |
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| 作者单位： | 中国矿业大学信息与电气工程学院,徐州,221008 |
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| 摘 要： | 为了研究井巷内无线信道的相干带宽，在射线跟踪模型的基础上，推导关于频率差的相关系数公式，在推导的公式中，载波频率、传播距离、天线位置是影响信道相干带宽的重要参数，通过仿真分别分析了上述参数对信道相干带宽的影响。得出结论：井下巷道内的相干带宽与频率成正比，与传播距离成反比。
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| 关 键 词： | 无线通信 相干带宽 相关系数 |
Analysis for Coherence Bandwidth in Tunnel Wireless Channel |
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| CUI Jie,LIU Hui.Analysis for Coherence Bandwidth in Tunnel Wireless Channel[J].Software,2011,32(9):61-63,66. |
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| Authors: | CUI Jie LIU Hui |
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| Affiliation: | CUI Jie,LIU Hui (Information and Electrical Engineering School,China University of Mining and Technology,JiangSu XuZhou 221008) |
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| Abstract: | In order to study coherence bandwidth in tunnel within the radio channel,based on the ray-tracing model,derive the formula for the frequency difference between the correlation coefficient,in the derivation of the formula,carrier frequency, propagation dis- tance, the antenna position is affecting the channel coherence bandwidth of the important parameters,through simulation we analyzed the parameters affect channel coherence bandwidth.Concluded:Within the coherence bandwidth of the underground tunnel is pro... |
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| Keywords: | wireless coherence bandwidth correlation coefficient |
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