中文说明：音频信号通过LM386放大，一种流形学习算法（很好用），DC-DC部分采用定功率单环控制，信号处理中的旋转不变子空间法，从先验概率中采样，计算权重，AHP层次分析法计算判断矩阵的最大特征值。
English Description：
Audio signal by LM386 amplifier, a manifold learning algorithm (very good), DC-DC part of the single loop control, signal processing in rotation invariant subspace method, sampling from the prior probability, weight calculation, AHP analysis for computing the largest eigenvalue of judgment matrix in power.