Plasma was created by dielectric barrier discharge (DBD) system, which consisted of home-made middle frequency power supply and parallel plane electrode configurations.

等离子体的产生采用了自制中频电源和平行板电极结构组成的介质阻挡放电系统。

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With coaxial structure, it has no low-cut frequency. Therefore it might be one of the middle bandwidth slow-wave structure with high-power capacity.

由于其采用同轴结构，不具有低截止频率，因此可能是一种能够同时满足高功率容量和较宽带宽要求的慢波结构。

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The result power spectrum analyses of focal spot show that the smoothing effect is caused by middle and high frequency intensity suppression.

对焦斑点功率谱的分析表明谱色散平滑通过抑制焦斑中高频的频谱强度达到平滑效果。

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