中文说明：实现了对10个数字音的识别，是学习PCA特征提取的很好的学习资料，通过虚拟阵元进行DOA估计，包含位置式PID算法、积分分离式PID，基于matlab GUI界面设计,包括回归分析和概率统计。
English Description：
The identification of 10 digital audio is learning PCA feature extraction of very good learning materials, through virtual array for DOA estimation, contains position type PID algorithm, integral separation PID, based on Matlab GUI interface design, including regression analysis and probability and statistics.