单丝螺旋行波管寄生后波振荡的小信号二维模型

Proceedings of the 9th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory, 2004. DIPED 2004. Pub Date : 2004-12-27 DOI:10.1109/DIPED.2004.242937

E. Belyavskiy, I.V. Shevelenok, S. Khotiaintsev

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引用次数: 0

摘要

本文建立了慢波电路中存在的电磁波同步正向和反向谐波与单丝-螺旋行波管(TWT)中电子束在周期性永磁聚焦下相互作用的数学线性二维模型。考虑了电子束在PPM聚焦场中交变旋转的影响、磁场振幅和周期性以及电子束与电路波的特定耦合。这种耦合只发生在单丝-螺旋行波管中，与其他类型的螺旋行波管相比，这种耦合降低了其相对于寄生后波振荡的稳定性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Small-signal two-dimensional model of parasitic backward-wave oscillation in a monofilar-helix traveling-wave tube

We present a mathematical linear 2D model of the interaction of the synchronous forward and backward harmonics of the electromagnetic wave, existing in the slow-wave circuit, with the electron beam in a monofilar-helix traveling-wave tube (TWT) under periodic permanent magnetic (PPM) focusing. We accounted for the effect of the electron beam alternating rotation in the PPM focusing field, magnetic field amplitude and periodicity, and the specific coupling of the electron beam with the circuit wave. This coupling takes place in the monofilar-helix TWT only and decreases its stability with respect to the parasitic backward-wave oscillation in comparison to other types of helix TWT.

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Proceedings of the 9th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory, 2004. DIPED 2004.

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