使用基于峭度的FASTICA盲分离算法，实现对亚高斯信号和超高斯混合信号的分离，并从分离结果可总结出盲分离算法的两个不确定性。-FASTICA kurtosis-based blind source separation algorithm to achieve sub-Gaussian and super-Gaussian mixed-signal separation, the separation results from the separation algorithm can be s