仿真图是速度、距离、幅度三维图像，实现了对10个数字音的识别，通过虚拟阵元进行DOA估计。- FIG simulation speed, distance, amplitude three-dimensional image, To achieve the recognition of 10 digital sound, Conducted through virtual array DOA estimation.

用于计算阵列信号到达角，处理估计的多信号分类算法(MATLAB is used to develop the system model of array signal processing, such as the correlated signals, the error of amplitude and phase.)