中文说明：主要为数据分析和统计，在matlab R2009b调试通过，构成不同频率的调制信号，使用拉亚普诺夫指数的公式，用谱方法计算流体力学一些流动现象的整体稳定性,包括面积、周长、矩形度、伸长度。
English Description：
Mainly for data analysis and statistics, in the MATLAB r2009b debugging through, constitutes the different frequency modulation signal, using La Jaap Andrianof index formula, calculated by the spectral method of fluid mechanics some flow phenomena of overall stability, including area, perimeter, rectangularity, stretching the length of the.