回旋速调管放大器输出腔的特性研究
Characteristic study of output cavity in gyroklystron amplifier
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摘要: 利用变截面波导的耦合模理论，根据输出腔中电场幅值分布函数所满足的微分方程组，编写了具有自动优化功能的计算程序，分析研究了不同渐变角度、考虑腔体损耗前后和输出腔与外电路失配时，谐振频率、腔体品质因数和高频场幅值沿轴分布的变化情况，为进一步研究高频场与电子注的互作用和输出腔奠定了基础。Abstract: According to the coupled-mode theory of variable crosssection waveguide and differential equations which the axial profile function of electric field satisfies, the program with auto optimized function was written. The influence of taper angle, cavity dissipation and mismatch of output cavity and external circuit on resonant frequency, quality factor and field profile was studied in detail. It further established the base of the interaction of highfrequency field with electron beam and of output cavity．
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Key words:
- gyrotron device /
- output cavity /
- resonant frequency /
- quality factor
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