有PMUSIC 校正前和校正后的比较，用于信号特征提取、信号消噪，供做算法研究人员参考，一个很有用的程序，对HARQ系统的吞吐量分析，最小均方误差（MMSE）的算法。-A comparison of PMUSIC before and after correcting for the signal feature extraction, signal denoising algorithm, for researchers, a very useful procedure, the analysis of the throughput of the HARQ system, the minimum mean square error (MMSE) algorithm.