本科毕业论文。盲信号处理及在工业上的应用。除论文原文外，有外文原文及翻译，答辩PPT，程序设计（ICA图像分离，语音信号分离，统计过程监控）-Undergraduate thesis. Blind signal processing and its application in the industry. In addition to the original paper, there are foreign language and translation of the original re

在MATLAB环境中，得到语音信号的散点图，STFT变换和小波包变换。-In the MATLAB environment to obtain a scatter plot of the speech signal, STFT transform and wavelet packet transform.