对信号进行频谱分析及滤波，DC-DC部分采用定功率单环控制，采用了小波去噪的思想，多元数据分析的主分量分析投影，外文资料里面的源代码，信号维数的估计。- The signal spectral analysis and filtering, DC-DC power single-part set-loop control, Using wavelet denoising thought, Principal component analysis of multivariate data analysis projection, Foreign materials inside the source code, Signal dimension estimates.