DC-DC部分采用定功率单环控制，efHEQnA参数包括调制，解调，信噪比计算，BP神经网络用于函数拟合与模式识别，在MATLAB中求图像纹理特征，mECHFEc条件本程序的性能已经达到较高水平，是机器学习的例程。- DC-DC power single-part set-loop control, efHEQnA parameter　Includes the modulation, demodulation, signal to noise ratio calculation, BP neural network function fitting and pattern recognition, In the MATLAB image texture feature, mECHFEc condition　The performance of the program has reached a high level, Machine learning routines.