| Ka波段TE01模回旋速调管输出腔 |
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| 引用本文： | 徐勇,罗勇,刘迎辉,王建勋,李宏福,王晖,熊彩东. Ka波段TE01模回旋速调管输出腔[J]. 强激光与粒子束, 2008, 20(3): 426-430 |
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| 作者姓名： | 徐勇 罗勇 刘迎辉 王建勋 李宏福 王晖 熊彩东 |
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| 作者单位： | 电子科技大学 物理电子学院， 成都 610054 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 利用模式展开和场匹配理论，建立了具有突变结构谐振腔的散射矩阵。在此基础上编制了FORTRAN计算程序，并对Ka波段TE01模回旋速调管的具有突变结构的开放式输出腔进行了数值计算。分析了回旋速调管输出腔的腔体长度和半径变化，以及输出耦合孔的半径和厚度变化对输出腔的品质因数和频率的影响。结果表明：由程序模拟输出腔所得到的计算结果与HFSS软件的结果一致；与冷测实验结果相比，品质因数的相对偏差为1.65%，谐振频率的偏差为10 MHz。
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| 关 键 词： | 回旋速调管 输出腔 品质因数 谐振频率 模式匹配 散射矩阵 |
| 文章编号： | 1001-4322(2008)03-0426-05 |
| 收稿时间： | 2007-08-13 |
| 修稿时间： | 2007-08-13 |
Output cavity of Ka-band TE01 mode gyroklystron |
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| XU Yong,LUO Yong,LIU Ying-hui,WANG Jian-xun,LI Hong-fu,WANG Hui,XIONG Cai-dong. Output cavity of Ka-band TE01 mode gyroklystron[J]. High Power Laser and Particle Beams, 2008, 20(3): 426-430 |
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| Authors: | XU Yong LUO Yong LIU Ying-hui WANG Jian-xun LI Hong-fu WANG Hui XIONG Cai-dong |
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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: | The output cavity with abrupt changes in radius for gyroklystron is studied using the mode-matching technique to build scattering matrix. A FORTRAN code is developed to calculate the scattering matrix. The effects of the cavity’s length and radius, the coupling aperture’s radius and thickness on the resonance characteristics of output cavity for Ka-band TE01 gyroklystron are analyzed. At the same time, the high frequency field distribution in the cavity is presented. The simulation result of output cavity obtained by the code shows good agreement with HFSS code simulation. Comparing the simulation result with the cold-test experimental result, the difference of quality factor is only 1.65% and the deviation of resonance frequency is 10 MHz. |
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| Keywords: | Output cavity Quality factor Resonance frequency Mode-matching Scattering matrix |
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