节律性棘慢波放电（ＳＷＤ）功率谱类似＂笙＂形，其最高功率为δ频带的２．５～３．５Ｈｚ区；峰频分析显示同样结果。不同个体在此范围内可有一定的差异，但同一个体在同一状态下δ峰频不变。δ峰频从ＳＷＤ起始到终止呈规律性减慢（由３．５０～３．００到２．７５～２．５０Ｈｚ）。θ、α和β各频段常为多峰频，个体间／内变化较大。多数情况下，θ、α和β峰频与δ主峰频的频率不呈倍数关系。 The rhythmic Spike-Wave Discharge (SWD) power spectrum is similar to the “Sheng” shape, with the highest power being the 2.5-3.5 Hz region of the δ band; the peak-frequency analysis shows the same result. Different individuals in this range may have some differences, but the same individual in the same state δ peak frequency unchanged. The δ peak frequency decreases regularly (from 3.50 to 3.00 to 2.75 to 2.50 Hz) from the beginning to the end of the SWD. Theta, alpha, and beta bands are often multimodal, with large variations between individuals. In most cases, θ, α and β peak frequency and δ peak frequency frequency is not a multiple relationship.