BP神经网络用于函数拟合与模式识别，三相光伏逆变并网的仿真，含噪脉冲信号进行相关检测,Relief计算分类权重，针对EMD方法的不足,线性调频脉冲压缩的Matlab程序。- BP neural network function fitting and pattern recognition, Three-phase photovoltaic inverter and network simulation, Noisy pulse correlation detection signal, Relief computing classification weight, For lack of EMD, LFM pulse compression of the Matlab program.