现代信号处理中谱估计在matlab中的使用，相关分析过程的matlab方法，PLS部分最小二乘工具箱,实现了对10个数字音的识别，在matlab环境中自动识别连通区域的大小,FIR 底通和带通滤波器和IIR 底通和带通滤波器，用于信号特征提取、信号消噪。-Modern signal processing used in the spectral estimation in matlab, Correlation analysis process matlab method, PLS PLS toolbox, To achieve the recognition of 10 digital sound, Automatic identification in the matlab environment the size of the connected area, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, For feature extraction, signal de-noising.