This toolbox is an educational and recreative toolbox around recent ideas in the field of dimension reduction. * PCA : classical Principal Componnent Analysis (linear projection). * Nonlinear dimensionality reduction by locally linear embedding

利用matlab软件对心电信号进行小波分解和降噪处理，包含原始数据-Wavelet decomposition and noise reduction processing of the ECG signal using matlab software contains raw data