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沿电子注传布的慢电磁波的电场会调制电子注,场的轴向分量使电子注群聚,场的径向分量使电子注的半径周期性的扰动。本文用分析及实验的结果去解释行波管内强高频场对电子注的去聚作用的某些特点。特别研究了布里渊流内阴极磁通量对电子注高频去聚的影响。
The electric field of a slow electromagnetic wave propagating along the electron beam will modulate the electron beam. The axial component of the field causes the electron beam to cluster and the radial component of the field periodically perturbs the radius of the electron beam. In this paper, the analysis and experimental results to explain some of the characteristics of depolarization of the electronic injection in the strong and high frequency fields within the traveling wave tube. In particular, the effect of cathode flux in Brillouin flow on the depolarization of electrons at high frequencies has been investigated.