中文说明：
FourierICA是一种无监管的自适应学习方法，用于盲源分离问题，将短时傅里叶变换STFT与独立分量分析ICA相结合。
English Description：
FourierICA is a kind of adaptive learning method without regulation, used in blind source separation problem, the short-time Fourier transform STFT combined with independent component analysis ICA.