中文说明：用谱方法计算流体力学一些流动现象的整体稳定性,一种噪声辅助数据分析方法,时间序列数据分析中的梅林变换工具，相参脉冲串复调制信号，这是第二能量熵的matlab代码，通过反复训练模板能有较高的识别率。
English Description：
Computational Fluid Dynamics flow by spectral method of overall stability, secondary data analysis of a noise, the Mellin transform of time series data analysis tools, complex modulation of coherent pulse train, this is the second energy entropy Matlab code, through practice templates can have a higher recognition rate.