是学习PCA特征提取的很好的学习资料，基于互功率谱的时延估计，研究生时的现代信号处理的作业。- Is a good learning materials to learn PCA feature extraction, Based on the time delay estimation of power spectrum, Modern signal processing jobs when the graduate.

现代谱估计参数谱估计（AR模型）做频谱分析，基于Levison-Durbin快速递推法和Burg算法的源程序。 -Modern spectral estimation spectral estimation parameters (AR model) to do spectrum analysis, based on Levison-Durbin fast recursive method and the Burg algorithm source.

现代信号处理中谱估计在matlab中的使用，插值与拟合，解方程，数据分析，基于互功率谱的时延估计。- Modern signal processing used in the spectral estimation in matlab, Interpolation and fitting, solution of equations, data analysis, Based on the time delay estimation of power spectrum.

可直接计算得到多重分形谱,现代信号处理中谱估计在matlab中的使用，基于kaiser窗的双谱线插值FFT谐波分析。- It can be directly calculated multi-fractal spectrum, Modern signal processing used in the spectral estimation in matlab, Dual-line interpolation FFT harmonic analysis kaiser windows.