给出接收信号眼图及系统仿真误码率，可以得到很精确的幅值、频率、相位估计，实现了对10个数字音的识别程序供做算法研究人员参考，用于信号特征提取、信号消噪，是学习PCA特征提取的很好的学习资料，主要是基于mtlab的程序，是本科毕设的题目。- The received signal is given eye and BER simulation systems, You can get a very accurate amplitude, frequency, phase estimation, Realization of 10 digital audio recognition program Algorithm for researchers to do reference, For feature extraction, signal de-noising, Is a good learning materials to learn PCA feature extraction, Mainly based on the mtlab procedures, The title of the commercial is undergraduate course yo.