对信号进行频谱分析及滤波，gmcalab 快速广义的形态分量分析，可以广泛的应用于数据预测及数据分析,脉冲响应的相关分析算法并检验。- The signal spectral analysis and filtering, gmcalab fast generalized form component analysis, Can be widely used in data analysis and forecast data, Related impulse response analysis