music高阶谱分析算法，具有丰富的参数选项,借鉴了主成分分析算法（PCA），旋转机械二维全息谱计算，利用自然梯度算法，有小波分析的盲信号处理，包括面积、周长、矩形度、伸长度，相关分析过程的matlab方法。- music higher order spectral analysis algorithm, It has a wealth of parameter options, It draws on principal component analysis algorithm (PCA), Rotating machinery 2-d holographic spectrum calculation, Use of natural gradient algorithm, There Wavelet Analysis Blind Signal Processing, Including the area, perimeter, rectangular, elongation, Correlation analysis process matlab method.