中文说明：旋转机械二维全息谱计算，matlab实现了五类灰色关联度模型的计算,研究生时的现代信号处理的作业，微分方程组数值解方法，计算多重分形非趋势波动分析，是信号处理的基础。
English Description：
Rotating machinery two-dimensional holographic spectrum calculation, matlab calculation of five gray correlation model, the work of graduate student of modern signal processing, differential equations of the numerical solution method, the calculation of the multi fractal non detrended fluctuation analysis is the basis of signal processing.