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本文陈述一种计算耦合腔行波管性能的方法。此方法可在时分计算机上进行程序计算,既快又经济。管子模型是按互作用隙缝和漂移管次序排列,腔体由隙缝连结在一起。场分布是根据各隙缝处的驻波来决定,而不用一组行波来确定。用快速电位梯度法而不是根据格林函数来计算空间电荷力。在建立模型和速度上这些方法有较好适应性。把这种方法应用于三个简例,以示行波管各分量的性能,然后再应用到两个实际的设计例子中去。
This article presents a method for calculating the behavior of a traveling-wave tube in a coupled cavity. This method is computable on a time-division computer, fast and economical. The tube model is arranged in order of interaction slots and drift tubes, with the cavities being joined together by slots. The field distribution is based on the standing wave at each slot without the need for a set of traveling waves. Calculate the space charge using the fast potential gradient instead of the Green's function. These methods have good adaptability in modeling and speeding. This method is applied to three examples to show the performance of TWT components, and then applied to two actual design examples.