Based on the analysis of spatialharmonics of periodically slotted structure the method for extending operation frequency-band through suppressing higher-order harmonics is discussed.
基于周期性槽孔结构的空间谐波的分析，讨论了抑制高次谐波以拓展使用频带的方法。
2
Using the Nonmodal approach, the temporal evolution equations with Spatial Fourier Harmonics for the disturbed quantities are obtained, and have been studied numerically.