这是一个基于峰度的ICA算法，里面的ica_kurt.m是主文件，输入为待处理的观察信号，要求是矩阵形式，行数为所包含的分量数，列数为每一个分量包含的抽样点数。-This is a peak on the ICA algorithm inside ica_kurt.m is the main document, pending input signal observation demands matrix form, the number of firms covered by the weig