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不对称脊波导的传输特性 被引量:9

Transmission Characteristics of Asymmetric Single Ridge Waveguide
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摘要 提出了用有限差分方法分析不对称脊波导主模的截止波长和场结构图等传输特性,推导出用有限差分方法计算相关参数的公式。脊波导中主模的截止波长可随脊位置的变化而变化。文中编程计算了不对称脊波导、L型波导脊位置变化时截止波长和场结构的变化规律,给出了计算数据和曲线图。计算结果与相关文献非常吻合,证明文中提出的计算方法和计算结果是正确和可行的。 This paper describes the application of finite difference method for obtaining the cutoff wavelength and the field pattern of asymmetric single ridge waveguide, and gives the specific equation for eompu ting related parameters. The cutoff wavelength can be changed by changing the ridge position. The paper computes the cutoff wavelength and field pattern at different ridge positions in asymmetric single ridge waveguide and L-shape waveguide. Some computational data and figures are presented. The results are very closed to ones in related articles, which proves that the method and results are right and feasible.
作者 孙海 褚衍东
出处 《雷达科学与技术》 2006年第4期240-244,共5页 Radar Science and Technology
关键词 不对称脊波导 截止波长 场结构图 有限差分法 传输特性 asymmetric single ridge waveguide cutoff wavelength field pattern finite difference method transmission characteristics
作者简介 孙海 男,1981年5月出生于四川省平昌县,现为兰州交通大学数理与软件工程学院计算数学专业硕士研究生,主要从事偏微分方程的数值解和计算电磁学方面的研究。 褚衍东 男,1958年生于山东省微山县,兰州交通大学教授、硕士生导师,甘肃省数学会副理事长,中国工业与应用数学会理事,主要研究方向为非线性系统建模与数值计算、非线性动力系统分岔理论与混沌控制,发表论文30余篇,获省科技进步三等奖2项。
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二级参考文献8

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共引文献27

同被引文献52

  • 1邓素芬,杨显清,陈友臸.基于有限元法的脊波导特征值分析[J].电子对抗技术,2005,20(1):43-46. 被引量:16
  • 2姚斌,郑勤红,帅春江,张学庆,刘玲丽.用FDTD法计算部分介质填充波导的截止频率[J].云南师范大学学报(自然科学版),2006,26(4):52-55. 被引量:19
  • 3牛家晓,张祺,周希朗,单志勇.梯形脊形金属波导传输特性的二维频域有限差分法分析[J].应用科学学报,2006,24(6):569-572. 被引量:8
  • 4陈小强,李明,任恩恩,逯迈.两种新型双脊波导传输特性的研究[J].西安电子科技大学学报,2007,34(3):495-499. 被引量:21
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  • 8LU Mai, PAUL J. Leonard. Dependence of Nidge Position on the Cutoff Wavelength of the Dominant Mode in Single Ridge Waveguides[J]. Mic And Optical tech letter ,34(5):374-377.
  • 9LU M, LEONARD P J. Design of Trapezoidal-ridge Waveguide by Finite-element Method[J]. IEE Proc,Microw. Antennas Propag ,2004,151(3) :205-211.
  • 10SUN Hai, LU Mai. Research on Transmission Characteristics of Upswept-ridge Waveguide by the FEM[C]//International Conference on Microwave and Millimeter Wave Technology, 2008,2 : 512-514, April 21-24 : Nanjing, China.

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