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本文通过某X波段耦合腔行波管过渡区的磁场匹配,叙述了一种实用而有效的电子计算机辅助设计方法。文中首先对PPM聚焦系统中电子注的固有波动进行了理论分析计算。计算表明,若磁场第一峰值B_1为主磁场值B_0的60～70％、第
In this paper, a practical and effective electronic computer aided design method is described through the magnetic field matching in the transition region of an X-band coupled cavity traveling-wave tube. In the paper, the inherent fluctuation of electronic injection in PPM focusing system is theoretically analyzed and calculated. The calculation shows that if the first peak B_1 of magnetic field is 60 ~ 70% of the main magnetic field B_0,