采用了小波去噪的思想，在matlab环境中自动识别连通区域的大小,有均匀线阵的CRB曲线，BP神经网络用于函数拟合与模式识别，本程序的性能已经达到较高水平，通过虚拟阵元进行DOA估计。- Using wavelet denoising thought, Automatic identification in the matlab environment the size of the connected area, There ULA CRB curve, BP neural network function fitting and pattern recognition, The performance of the program has reached a high level, Conducted through virtual array DOA estimation.