实现了对10个数字音的识别程序现代信号处理中谱估计在matlab中的使用，添加噪声处理，通过虚拟阵元进行DOA估计，是本科毕设的题目。- Realization of 10 digital audio recognition program Modern signal processing used in the spectral estimation in matlab, Add noise processing, Conducted through virtual array DOA estimation, The title of the commercial is undergraduate course yo.