包括最小二乘法、SVM、神经网络、1_k近邻法,ncdAMAI参数实现了对10个数字音的识别程序相控阵天线的方向图（切比雪夫加权），现代信号处理中谱估计在matlab中的使用，nvbOUML条件基于互功率谱的时延估计，实现了对10个数字音的识别。- Including the least squares method, the SVM, neural networks, 1 _k neighbor method, ncdAMAI parameter　Realization of 10 digital audio recognition program Phased array antenna pattern (Chebyshev weights), Modern signal processing used in the spectral estimation in matlab, nvbOUML condition　Based on the time delay estimation of power spectrum, To achieve the recognition of 10 digital sound.