插值与拟合，解方程，数据分析，各种kalman滤波器的设计，有PMUSIC 校正前和校正后的比较，用于建立主成分分析模型，一种噪声辅助数据分析方法,可以得到很精确的幅值、频率、相位估计，包括数据分析、绘图等等。- Interpolation and fitting, solution of equations, data analysis, Various kalman filter design, A relatively before correction and after correction PMUSIC, Principal component analysis model for establishing, A noise auxiliary data analysis method, You can get a very accurate amplitude, frequency, phase estimation, Data analysis, plotting, etc..