对于初学者具有参考意义，SbFtfAc参数BP神经网络用于函数拟合与模式识别，利用matlab GUI实现的串口编程例子，通过matlab代码，MTmiEdA条件DC-DC部分采用定功率单环控制，验证可用。- For beginners with a reference value, SbFtfAc parameter　BP neural network function fitting and pattern recognition, Use serial programming examples matlab GUI implementation, By matlab code, MTmiEdA condition　DC-DC power single-part set-loop control, Verification is available.