DC-DC部分采用定功率单环控制，利用matlab GUI实现的串口编程例子，实现了对10个数字音的识别，用于时频分析算法，FIR 底通和带通滤波器和IIR 底通和带通滤波器，ICA（主分量分析）算法和程序，BP神经网络用于函数拟合与模式识别，插值与拟合，解方程，数据分析。- DC-DC power single-part set-loop control, Use serial programming examples matlab GUI implementation, To achieve the recognition of 10 digital sound, For time-frequency analysis algorithm, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, ICA (Principal Component Analysis) algorithm and procedures, BP neural network function fitting and pattern recognition, Interpolation and fitting, solution of equations, data analysis.