matlab小波分析程序，采用波束成形技术的BER计算，可以得到很精确的幅值、频率、相位估计，用于信号特征提取、信号消噪，实现了对10个数字音的识别。-matlab wavelet analysis program, By applying the beam forming technology of BER You can get a very accurate amplitude, frequency, phase estimation, For feature extraction, si