速调管矩形波导窗的研究
Rectangle wave-guide output window of klystron
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摘要: 运用微波等效电路（微波网络）的方法，研究了大功率速调管矩形波导输出窗的转移矩阵，根据微波无反射条件求解窗的最佳尺寸。利用3维电磁场计算软件ISFEL3D进行精确模拟。将微波等效电路方法的计算结果与ISFEL3D的模拟结果和实验结果相比较，得出结论：运用微波等效电路方法对矩形波导输出窗进行设计，理论较为简单，编程容易实现，计算速度很快，便于参数调整，且计算结果与实际测量误差较小，适合应用于速调管矩形波导输出窗设计的初步阶段。
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关键词:
- 速调管矩形波导输出窗 /
- 微波等效电路 /
- 传输矩阵 /
- 驻波比
Abstract: Microwave equivalent circuit (microwave net) is adopt to study the rectangle wave-guide output window of klystron. Transfer matrix is utilized to calculate the standing wave ratio and optimal size of the window is found based on the condition of no reflection. Meanwhile, a more precise simulation is done by ISFEL3D. Compared the result by microwave equivalent circuit method to the result by ISFEL3D and experiment, the conclusion indicates that the method is feasible for the initial design, which is easy to programe and fast to compute, without much distinction to experimental result, based on its brief theory. -
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