Ka波段二次谐波回旋速调管放大器输入耦合器的分析与模拟
Analysis and simulation of an input coupler for a ka-band second harmonic gyroklystron amplifier
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摘要: 对应用于Ka波段二次谐波回旋速调管放大器的一种输入耦合器进行了分析，并利用三维电磁模拟软件HFSS和ISFEL3D对其进行了模拟与设计。研究结果表明，该输入耦合器具有较高的能量耦合效率，并能在Ka波段获得高纯度的TE021谐振模式。Abstract: The input system, is a very important part for the gyroklystron amplifier. The driven signal is injected into the input cavity through the input coupler, which excites the RF field to modulate the electron beam. A input coupler for the Ka-Band second harmonic gyroklystron is proposed and studied by using three-dimensional electromagnetic code in this paper. High mode purity of a circular TE021 mode in an input cavity is obtained．
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Key words:
- gyroklystron amplifier /
- input coupler /
- three dimensional simulation
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