| 煤矿井下线天线的矩量法分析 |
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| 引用本文： | 高美凤.煤矿井下线天线的矩量法分析[J].江南大学学报(自然科学版),2011,10(2). |
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| 作者姓名： | 高美凤 |
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| 作者单位： | 中国矿业大学(北京)煤炭资源与安全开采国家重点实验室,北京,100083;江南大学自动化研究所,江苏无锡,214122 |
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| 基金项目： | 教育部高等学校博士学科点专项科研基金项目 |
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| 摘 要： | 为了分析煤矿井下巷道电磁波的辐射特性,利用矩形波导内的格林函数,建立了无限长矩形巷道内线天线的积分方程,并采用矩量法,计算分析了矩形巷道中不同长度振子天线的电流分布情况.仿真结果表明:在煤矿井下矩形巷道中,线天线馈电点位置的变化和线天线在巷道中位置的变化,对线天线激励出的电流分布影响是不明显的.从而证明了,在分析矩形隧道中振子天线辐射特性时,将振子天线的电流假设为正弦分布规律是合理的.
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| 关 键 词： | 矩形巷道 矩量法 天线的电流分布 |
MoM Analysis for the Line Antenna in Mine Tunnel |
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| GAO Mei-feng.MoM Analysis for the Line Antenna in Mine Tunnel[J].Journal of Southern Yangtze University:Natural Science Edition,2011,10(2). |
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| Authors: | GAO Mei-feng |
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| Institution: | GAO Mei-feng1,2(1.State Key Laboratory of Coal Resources and Safe Mining,China University of Mining & Technology(Beijing),Beijing 100083,China,2.Research Institute of Automation,Jiangnan University,Wuxi 214122,China) |
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| Abstract: | In order to analyze the electromagnetic wave radiation characteristic in the coal mine tunnel,using green's function in waveguide,the integral equation of the line antenna in infinite rectangle tunnel is established.By using the method-of-moments,the different length dipole antenna's electric current distribution in mine tunnel is analyzed.The simulations show that the line antenna exciting electric current distribution changes a little when the feed point position changes or the antenna location changes in... |
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| Keywords: | rectangular tunnel method-of-moments electric current distributing |
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