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本文给出了充等离子体微波管漂移区电子运动的空间轨迹方程，据电子运动特性沿径向将空间划分为三个区域．利用数值方法分别求解非相对论和相对论条件下的空间轨迹，并详细阐述了注的传输特性，讨论了影响电子注传输质量的因素研究表明，适当选择等离子体填充因子和工作电压可实现磁自聚焦电子注的高效高质量传输．
In this paper, we give the space trajectory equation for the electron movement in the drift region of the plasma tube filled with plasma, and divide the space into three regions radially according to the characteristics of the electron movement. The space trajectory under the condition of nonrelativism and relativity was respectively solved numerically. The propagation characteristics of the injection were elaborated. The factors influencing the quality of the electron injection were discussed. The results show that proper choice of plasma fill factor and operating voltage can achieve magnetic autofocusing Electronic injection of high efficiency and high quality transmission.