中文说明： 添加噪声处理，Gabor小波变换与PCA的人脸识别代码，matlab实现了五类灰色关联度模型的计算,旋转机械二维全息谱计算，真的是一个好程序，实现了对10个数字音的识别。
English Description：
Add noise processing, Gabor wavelet transform and PCA face recognition code, matlab to achieve the calculation of five types of gray correlation model, rotating machinery two-dimensional holographic spectrum calculation, is really a good program, to achieve the recognition of 10 digital sound.