| 盘荷波导慢波结构色散特性的变分分析 |
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| 引用本文： | 李建清,莫元龙,周晓岚. 盘荷波导慢波结构色散特性的变分分析[J]. 真空电子技术, 2006, 0(3): 7-10 |
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| 作者姓名： | 李建清 莫元龙 周晓岚 |
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| 作者单位： | 电子科技大学,物理电子学院,四川,成都,610054 |
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| 基金项目： | 国家重点实验室基金;国家自然科学基金 |
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| 摘 要： | 盘荷波导慢波结构可以看成由无数多个波导不连续性组成，每个波导不连续性可用一个T型网络描述，其参数能用变分方法得到，再根据无耗的四端微波网络理论，可以得到这种慢波结构的色散方程，因此本文得到了一种用于计算盘荷波导慢波结构色散特性的变分法。该变分法获得的色散特性结果与用场匹配法和HFSS模拟获得的结果符合得比较好。
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| 关 键 词： | 变分法 波导不连续性 四端微波网络理论 色散特性 |
| 文章编号： | 1002-8935（2006）03-0007-04 |
| 收稿时间： | 2005-12-15 |
| 修稿时间： | 2005-12-15 |
Variational Analysis of Dispersion Characteristics in Disk-Loaded Waveguide Slow-Wave Structures |
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| LI Jian-qing,MO Yuan-long,ZHOU Xiao-lan. Variational Analysis of Dispersion Characteristics in Disk-Loaded Waveguide Slow-Wave Structures[J]. Vacuum Electronics, 2006, 0(3): 7-10 |
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| Authors: | LI Jian-qing MO Yuan-long ZHOU Xiao-lan |
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| Affiliation: | School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China |
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| Abstract: | Disk-loaded slow-wave waveguide structures are composed of many waveguide discontinuities. The waveguide discontinuity can be described by a symmetrical T network, whose parameters are calculated by variational methods. Then the dispersion equation of the slow-wave structure can be obtained using lossless microwave quadruple theory. Good agreement is observed between results of the variational method and those of field matching method and high-frequency structure simulator. |
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| Keywords: | Variational method Waveguide discontinuity Microwave quadruple theory Dispersion characteristics |
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