The role of the space charge wave is that it makes bunching reduce at small signal, but it makes bunching enhance at large signal.
并且分析了空间电荷波对电子束群聚的影响：在小信号时使群聚减小；在大信号时使群聚增强。
The role of the space charge wave is that it makes bunching reduce at small signal, but it makes bunching enhance at large signal.
并且分析了空间电荷波对电子束群聚的影响：在小信号时使群聚减小；在大信号时使群聚增强。
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