有PMUSIC 校正前和校正后的比较，三相光伏逆变并网的仿真，实现了对10个数字音的识别程序是机器学习的例程，均值便宜跟踪的示例，本程序的性能已经超过其他算法。- A relatively before correction and after correction PMUSIC, Three-phase photovoltaic inverter and network simulation, Realization of 10 digital audio recognition program Machine learning routines, Example tracking mean cheap, This program has exceeded the performance of other algorithms.