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受限空间中天线产生的电波覆盖研究

李大伟 王均宏 何显时

李大伟, 王均宏, 何显时等 . 受限空间中天线产生的电波覆盖研究[J]. 北京航空航天大学学报, 2015, 41(10): 1859-1866. doi: 10.13700/j.bh.1001-5965.2015.0213
引用本文: 李大伟, 王均宏, 何显时等 . 受限空间中天线产生的电波覆盖研究[J]. 北京航空航天大学学报, 2015, 41(10): 1859-1866. doi: 10.13700/j.bh.1001-5965.2015.0213
LI Dawei, WANG Junhong, HE Xianshiet al. Research on radio coverage generated by antennas in confined space[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(10): 1859-1866. doi: 10.13700/j.bh.1001-5965.2015.0213(in Chinese)
Citation: LI Dawei, WANG Junhong, HE Xianshiet al. Research on radio coverage generated by antennas in confined space[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(10): 1859-1866. doi: 10.13700/j.bh.1001-5965.2015.0213(in Chinese)

受限空间中天线产生的电波覆盖研究

doi: 10.13700/j.bh.1001-5965.2015.0213
基金项目: 国家自然科学基金(61331002)
详细信息
    作者简介:

    李大伟(1988-),男,内蒙古赤峰人,博士研究生,11111001@bjtu.edu.cn

    通讯作者:

    王均宏(1965-),男,江苏东台人,教授,wangjunh@bjtu.edu.cn,主要研究方向为电磁场与微波技术.

  • 中图分类号: TN929.5

Research on radio coverage generated by antennas in confined space

  • 摘要: 受限空间中的有效电波覆盖直接影响通信质量和可靠性,对天线系统的布局优化尤为重要.然而现有的研究很少考虑本来就处于隧道中的天线参数对电波覆盖的影响.针对铁路隧道这种特殊的受限空间情况首先介绍了电波覆盖的研究方法和现状,然后利用射线追踪方法、波导模式方法和矢量抛物方程方法对电波覆盖进行了预估,针对笔形方向图的特征采用高斯方向图重点研究了不同的天线主瓣宽度、波束指向以及在隧道截面的位置对电波覆盖的影响,分析了沿隧道轴向不同区域内电波覆盖的不同特征,最后研究了受限空间中电波覆盖的三段式模型.本文的方法和模型可以为隧道内的天线选型及优化布局提供理论依据和参考.

     

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出版历程
  • 收稿日期:  2015-04-10
  • 修回日期:  2015-04-24
  • 网络出版日期:  2015-10-20

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