| Ka波段分布作用速调管多间隙谐振腔研究 |
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| 引用本文： | 赖威豪,丁海兵,陆登峰,吉忠浩,肖韧.Ka波段分布作用速调管多间隙谐振腔研究[J].强激光与粒子束,2021,33(10):103008-1-103008-7. |
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| 作者姓名： | 赖威豪 丁海兵 陆登峰 吉忠浩 肖韧 |
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| 作者单位： | 1.中国科学院 空天信息创新研究院， 北京100190 |
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| 摘 要： | 谐振腔作为速调管的高频互作用电路，其特性对速调管的功率、效率、增益和带宽等性能具有决定性影响。主要介绍了某Ka波段分布作用速调管谐振腔的设计过程:基于多间隙谐振腔理论，利用电磁仿真软件CST详细分析了谐振腔不同结构尺寸对特性参数，如品质因子、特性阻抗、耦合系数、有效特性阻抗的影响，优化得到谐振频率为35 GHz的五间隙谐振腔的物理结构模型，并给出互作用仿真结果，为Ka波段分布作用速调管设计及其高频注波互作用的计算提供重要的参考和依据。
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| 关 键 词： | Ka波段 分布作用速调管 多间隙谐振腔 特性参数 |
| 收稿时间： | 2021-07-16 |
Study of multi-gap resonant cavity for Ka-band extended interaction klystron |
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| Affiliation: | 1.Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China2.University of Chinese Academy of Sciences, Beijing 100190, China |
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| Abstract: | As a high-frequency interaction circuit of the klystron, the characteristics of the resonator have a decisive influence on the power, efficiency, gain and bandwidth of the klystron. This paper mainly introduces the design process and analysis of a Ka-band extended interaction klystron resonant cavity. Based on the multi-gap resonant cavity theory, the electromagnetic simulation software CST is used to analyze the influence of different structural dimensions of the resonant cavity on its characteristic parameters, such as quality factor, characteristic impedance, coupling coefficient and effective characteristic impedance. The physical structure model of the five-gap resonant cavity with a resonant frequency of 35 GHz is optimized, and the interaction simulation results are given, which provides an important reference and basis for the design of Ka-band distributed-action klystron and the calculation of high-frequency beam-wave interaction. |
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