包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，有借鉴意义哦，对信号进行频谱分析及滤波，外文资料里面的源代码，预报误差法参数辨识-松弛的思想，匹配追踪和正交匹配追踪。

- Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm, There are reference Oh, The signal spectral analysis and filtering, Foreign materials inside the source code, Prediction Error Method for Parameter Identification- the idea of relaxation, Matching Pursuit and orthogonal matching pursuit.