对涡结构进行模态降解，可提取尾流的相干结构(The coherent structure of wake can be extracted by modal degradation of vortex structure)

pod dmd分析，用于CFD计算分析，模态分析，降阶分析(Pod dmd analysis ,computational fluid dynamic post-analysis, model analysis for flow field model)

求解二维流场数据（速度，压力，温度或涡量）的本征正交分解以及动模态分解(Eigen orthogonal decomposition and dynamic mode decomposition for solving two dimensional flow field data (velocity, pressure, temperature or vorticity))