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Gao Baochun, Peng Ge, Hu Yifeng. 基于矩量法的线天线电磁散射和电磁辐射分析[J]. Chinese Journal of Ship Research, 2011, 6(3): 49-54. DOI: 10.3969/j.issn.1673-3185.2011.03.011
Citation:
Gao Baochun, Peng Ge, Hu Yifeng. 基于矩量法的线天线电磁散射和电磁辐射分析[J]. Chinese Journal of Ship Research, 2011, 6(3): 49-54. DOI: 10.3969/j.issn.1673-3185.2011.03.011
Gao Baochun, Peng Ge, Hu Yifeng. 基于矩量法的线天线电磁散射和电磁辐射分析[J]. Chinese Journal of Ship Research, 2011, 6(3): 49-54. DOI: 10.3969/j.issn.1673-3185.2011.03.011
Citation:
Gao Baochun, Peng Ge, Hu Yifeng. 基于矩量法的线天线电磁散射和电磁辐射分析[J]. Chinese Journal of Ship Research, 2011, 6(3): 49-54. DOI: 10.3969/j.issn.1673-3185.2011.03.011
基于矩量法的线天线电磁散射和电磁辐射分析
Gao Baochun
,
Peng Ge
,
Hu Yifeng
Graphical Abstract
Graphical Abstract
Abstract
Abstract
针对线电流模型分析半径/波长较大的线天线的缺点,首先利用解析法描述线天线的结构,将线天线模拟为细带模型,线面连接问题转化为面面连接问题,选取RWG函数对天线模型进行剖分,采用矩量法分析不同半径下偶极子天线的电流分布,辐射场,方向图,对散射模式和辐射模式的情况进行了比较。随后计算了有限平板上10m单极子天线的天线特性。计算结果表明,当半径/波长较小时,电流基本沿天线轴向流动,线电流模型适用于分析线天线的问题,半径/波长较大时,横向电流不可忽略,线电流模型不适用于分析线天线的问题。
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