中文说明： 进行逐步线性回归，对信号进行频谱分析及滤波，包括数据分析、绘图等等,可直接计算得到多重分形谱,一些自适应信号处理的算法，基于互功率谱的时延估计。
English Description：
Stepwise linear regression, the signal spectrum analysis and filtering, including data analysis, mapping, and more, can be directly computed multifractal spectrum, some adaptive signal processing algorithm based on cross power spectrum time delay estimation.