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在速调管双间隙耦合谐振腔中,电子与每个间隙的电场相互作用进行能量交换,在两个间隙上体现出不同的电子负载效应.传统的电子电导计算模型,只能从整体上而无法在每个间隙上考虑这个效应.基于空间电荷波理论,建立了双间隙耦合腔中单个间隙电子电导的理论模型,推导出相应的计算公式.利用三维粒子模拟工具进行了仿真研究,理论计算与仿真结果相符.与传统的电子电导模型相比,该理论模型能反映出双间隙耦合腔中每个间隙的电子负载效应.利用该模型能更加深入和准确地进行间隙注波互作用的研究以及耦合腔中模式稳定性的分析.
In the klystron double-gap coupled resonator, the electrons interact with the electric field of each gap for energy exchange, which shows different electronic load effects in the two gaps.Traditional electronic conduction model can only be calculated from the whole This effect can not be considered in every gap.A theoretical model of single gap electron conductance in a double gap coupling cavity is established based on space charge wave theory and the corresponding calculation formula is deduced.The simulation research is carried out by using the three-dimensional particle simulation tool, and the theoretical calculation Which is consistent with the simulation results.Compared with the traditional electron conductance model, the theoretical model can reflect the electronic load effect of each gap in the double gap coupling cavity.With this model, the study of the interaction of the gap injection wave can be conducted more deeply and accurately As well as analysis of the mode stability in the coupling cavity.