| 有限元法的脊位于窄边的脊波导特征值分析 |
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| 引用本文： | 孙海,王继顺,褚衍东,谢艳云. 有限元法的脊位于窄边的脊波导特征值分析[J]. 现代雷达, 2007, 29(3): 68-70,73 |
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| 作者姓名： | 孙海 王继顺 褚衍东 谢艳云 |
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| 作者单位： | 1. 兰州交通大学数理与软件工程学院,兰州,730070
2. 连云港师范高等专科学校数学系,江苏,连云港,222006 |
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| 摘 要： | 提出用有限元方法分析位于窄边的脊波导主模的截止波长和场结构图以及单模带宽特性，推导出用有限元法计算相关参数的计算公式。编程计算了双脊、单脊和不对称脊波导的特征值，求解了三种脊位于窄边的脊波导的传输特性，并给出了截止波长和单模带宽曲线以及场结构变化。
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| 关 键 词： | 有限元法 脊波导 窄边 单模带宽 场结构 |
| 修稿时间： | 2006-10-102007-01-28 |
Ridged Waveguide Eigenvalue Analysis of Ridge on Narrow Wall Short Side Based on Finite Element Method |
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| SUN Hai,WANG Ji-shun,CHU Yan-dong,XIE Yan-yun. Ridged Waveguide Eigenvalue Analysis of Ridge on Narrow Wall Short Side Based on Finite Element Method[J]. Modern Radar, 2007, 29(3): 68-70,73 |
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| Authors: | SUN Hai WANG Ji-shun CHU Yan-dong XIE Yan-yun |
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| Abstract: | This paper describes the application of finite element method for obtaining the cutoff wavelength, field pattern and bandwidth in ridged waveguide of ridge on the short side, gives the specific equation of related parameter to the subject. The text computes the eigenvalue of double ridged waveguide, single ridged waveguide and unsymmetry ridged waveguide, transmission of three kinds of ridged waveguides with ridge on the narrow wall are solved for and the useful curves on cutoff wavelength, bandwidth and field pattern are presented. |
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| Keywords: | finite element method ridged waveguide narrow wall bandwidth field pattern |
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