使用MATLAB编程，示意随机信号功率谱估计算法中的welch算法和Thomson多窗估计法MTM在估计随机信号功率谱时，参数改变对频谱图的影响。,This program indicate random signal power spectrum estimation using Welch algorithm and Thomson MTM estimation algorithm.

该程序实现了Baum-Welch算法，对于通信里面的调制解调有很大帮助，其次，该程序具有通用性。-The program achieved the Baum-Welch algorithm, for the communication modem inside helps a lot, and secondly, the program has the versatility.

基音周期估计实验 matlab 运行正常(Pitch estimation experiment matlab works wel)