中文说明：有PMUSIC 校正前和校正后的比较，构成不同频率的调制信号，music高阶谱分析算法，现代信号处理中谱估计在matlab中的使用，相关分析过程的matlab方法，用MATLAB实现动态聚类或迭代自组织数据分析。
English Description：
Correction PMUSIC before and after correction of the comparison, constitutes the different frequency modulation signal, the music high order spectral analysis algorithm, modern signal processing in spectrum estimation in MATLAB, the relevant analysis process of the MATLAB method, using matlab realize dynamic clustering or iterative self organizing data analysis.