| 一种复合腔回旋管注波互作用的数值模拟和分析 |
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| 引用本文： | 汪菲,罗积润,焦重庆.一种复合腔回旋管注波互作用的数值模拟和分析[J].电子与信息学报,2007,29(8):2014-2018. |
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| 作者姓名： | 汪菲 罗积润 焦重庆 |
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| 作者单位： | 1. 中科院电子学研究所,北京,100080;中国科学院研究生院,北京,100039
2. 中科院电子学研究所,北京,100080 |
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| 摘 要： | 该文基于电磁粒子模拟技术,对一种Ka波段基波渐变复合腔回旋管振荡器的注波互作用过程进行了详细的模拟计算,分析了腔体几何参数、电子注半径、工作电流及工作磁场变化对互作用效率的影响,讨论了工作模式的稳定性.模拟结果表明,适当选择上述参数,在70kV,17A及速度比1.5的电子注推动下,平均功率可达716kW,互作用效率大于60%,且工作稳定.
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| 关 键 词： | 回旋管振荡器 复合腔 注波互作用 数值模拟 |
| 文章编号： | 1009-5896（2007）08-2014-05 |
| 收稿时间： | 2005-12-8 |
| 修稿时间： | 2005-12-08 |
Simulation and Analysis of the Beam-Wave Interaction in a Complex Cavity Gyrotron with Gradual Transition |
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| Wang Fei,Luo Ji-run,Jiao Chong-qing.Simulation and Analysis of the Beam-Wave Interaction in a Complex Cavity Gyrotron with Gradual Transition[J].Journal of Electronics & Information Technology,2007,29(8):2014-2018. |
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| Authors: | Wang Fei Luo Ji-run Jiao Chong-qing |
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| Affiliation: | 1.Institute of Electronics, Chinese Academy of Sciences, Beijing 100080, China;2.Graduate School, Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | In this paper, the beam-wave interaction of a Ka-band complex cavity gyrotron with gradual transition is studied according to a particle in cell simulation program. The effect of the cavity dimension, electron beam parameter and operating magnetic field on the electron efficiency is analyzed. The stability of the working mode is discussed. The results show that an electron efficiency of more than 60% and good stability is predicted for the complex cavity gyrotron with appropriate working parameters when driven by a 70kV, 17A electron beam with a velocity ratio of 1.5. |
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| Keywords: | Gyrotron Complex cavity Beam-wave interaction Numerical simulation |
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