BP神经网络用于函数拟合与模式识别，在matlab R2009b调试通过，一种噪声辅助数据分析方法,三相光伏逆变并网的仿真，调试通过可以使用，数据模型归一化，模态振动。- BP neural network function fitting and pattern recognition, In matlab R2009b debugging through, A noise auxiliary data analysis method, Three-phase photovoltaic inverter and network simulation, Debugging can be used, Normalized data model, modal vibration.