中文说明：包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，现代信号处理中谱估计在matlab中的使用，进行波形数据分析,用于信号特征提取、信号消噪，是学习PCA特征提取的很好的学习资料，可以广泛的应用于数据预测及数据分析。
English Description：
Including the music algorithm, ESPRIT algorithm Root-MUSIC algorithm and modern signal processing in spectrum estimation in Matlab using, waveform data analysis for signal feature extraction, signal denoising, is learning PCA feature extraction of very good learning materials, and can be widely used in data forecasting and data analysis.