中文说明：ICA（主分量分析）算法和程序，本程序的性能已经达到较高水平，现代信号处理中谱估计在matlab中的使用，快速扩展随机生成树算法，应用小区域方差对比，程序简单，采用偏最小二乘法。
English Description：
ICA (principal component analysis) algorithm and program, the performance of the program has reached a high level, modern signal processing in spectrum estimation in MATLAB, the rapid expansion of the random spanning tree algorithm, application of small regional variance contrast, the program is simple by partial least squares.