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脉冲和连续模变换时引起的增益、效率和输出功率变化问题必须很好的解决。设计采用双模行波管的功率放大链遇到了这个特殊问题,它主要是由电子注导流系数改变而引起的。
The problems of gain, efficiency and output power change caused by pulse and continuous mode conversion must be well solved. The design of a power amplifier with a dual-mode traveling wave tube encounters this particular problem, which is mainly caused by the change of the electron-induced current-steering coefficient.