| 引用本文: | 刘建闽,王雁桂,黎全,等.一种分析广义脊形传输器件的新型数值方法.[J].国防科技大学学报,2008,30(5):86-89.[点击复制] |
| LIU Jianmin,WANG Yangui,LI Quan,et al.A Novel Numerical Analysis Method for Genenalized Ridge Transmission Devices[J].Journal of National University of Defense Technology,2008,30(5):86-89[点击复制] |
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| 一种分析广义脊形传输器件的新型数值方法 |
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(1.厦门大学，福建 厦门 361005;2.3.湖南人文科技学院，湖南 娄底 417000;3.2.国防科技大学 理学院，湖南 长沙 410073;4.美国国家仪器公司，上海 201203)
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| 摘要: |
| 利用Compact 2-D频域有限差分(FDFD)法分析广义脊形传输器件特性，得到的本征方程只涉及4个横向场分量，与同时处理6个场分量的本征问题相比，大大降低了CPU时间，同时由给定的工作频率f求解相移常数β，易于实际应用。针对广义脊形传输器件的复杂结构，本文划分了不同的子区。几种代表性的脊形波导传输结构分析结果与其他方法一致，表明了本文分析思路的可行性。 |
| 关键词: 频域有限差分 广义脊形波导 本征值 |
| DOI： |
| 投稿日期：2008-05-24 |
| 基金项目:国家自然科学基金资助项目(10504043) |
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| A Novel Numerical Analysis Method for Genenalized Ridge Transmission Devices |
| LIU Jianmin1,2, WANG Yangui3, LI Quan3, XIANG Yu4, LIU Jianbin5 |
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(1.Xiamen University, Xiamen 361005， China;2.3.Hunan Institute of Humanities, Science and Technology, Loudi 417000, China;3.2.College of Science, National Univ. of Defense Technology, Changsha 410073, China;4.3.Hunan Institute of Humanities, Science and Technology, Loudi 417000;5.4.US National Instruments, Shanghai 201203, China)
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| Abstract: |
| A compact two-dimensional(2-D) finite-difference frequency-domain method is used to analyze propagation characteristics of generalized ridge waveguides for the first time. Only four transverse field components are involved in the final resulting eigenvalue problem, so the required CPU time is reduced considerably as compared to the approaches by which six field components are comprised. Additionally, the feature of finding the phase constant for a given frequency is more pertinent in practical applications. To deal with the generalized ridge waveguides, we divide complex structure into several regular sub-regions, and apply the compact 2-D FDFD method respectively in every sub-region only by setting boundary conditions accordingly. Finally, the calculated numerical results in the current study show good agreement with the published ones in this field. |
| Keywords: finite difference frequency domain (FDFD) generalized ridge waveguide eigenvalue |
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