The traditional analysis method generally considers the signal as linear quasi-stationary Gaussian distribution. In some cases, the Gaussian assumption may cause the results unacceptable and impractical.

• 传统的分析处理方法一般将脑电信号近似认为是线性的准平稳的高斯分布随机信号，这使得分析结果往往不能令人满意、实用性差。