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为了确定在行波管制造过程中所允许的公差,用一个能够对周期永磁系统内的电子注进行自动三维测绘的电子注分析器,测量了电子注位置和电子注脉动与电子注注入的偏心度、电子枪的倾斜度以及阳极—周期永磁聚焦系统间隔之间的关系。在周期永磁聚焦系统中,横向场的影响看来是严重的。对实验结果和二维Hermannsfeldt计算机程序的计算结果进行了比较。
In order to determine the tolerances allowed in TWT manufacturing, an electronic injection analyzer capable of automatic three-dimensional mapping of electron injection in a periodic permanent magnet system was used to measure the electron injection and electron injection pulsations and electron injection Eccentricity, tilt of the electron gun and the relationship between the anode-periodic PM system spacing. In a periodic PM system, the effect of the horizontal field appears to be severe. The experimental results and two-dimensional Hermannsfeldt computer program were compared.