MULTIVARIATE ABSOLUTE DEGREE OF GREY INCIDENCE BASED ON DISTRIBUTION CHARACTERISTICS OF POINTS  

基于特征点分布的多元灰色绝对关联度(英文)

作　　者：张可[1] 王岩[1] 辛江慧[2] 许叶军[1] 

机构地区：[1]河海大学商学院 [2]南京工程学院车辆工程系

出　　处：《Transactions of Nanjing University of Aeronautics and Astronautics》2012年第2期145-151,共7页南京航空航天大学学报（英文版）

基　　金：Supported by the National Natural Science Foundation of China(71101043,70901041,71171113);the Joint Research Project of National Natural Science Foundation of China and Royal Society of UK(71111130211);the Major Program of National Funds of Social Science of China(10ZD&014,11&ZD168);the Doctoral Fundof Ministry of Education of China(20093218120032,200802870020);the Qinglan Project for Excellent Youth Teacherin Jiangsu Province(China);Research Funding in Nanjing University of Aeronautics and Astronautics(NR2011002);the Central University Scientific Research Expenses of HoHai University(2011B09914,2010B11114)~~

摘　　要：The analysis result of absolute degree of grey incidence for multivariate time series is often inconsistent with the qualitative analysis. To overcome this shortage, a multivariate absolute degree of grey incidence based on distribution characteristics of points is proposed. Based on the geometric description of multivariate time se- ries, the neighborhood extrema are extracted in the different regions, and a characteristic point set is constructed. Then according to the distribution of the characteristic point set, a characteristic point sequence reflecting the ge- ometric features of multivariate time series is obtained. The incidence analysis between multivariate time series is transformed into the relational analysis between characteristic point sequences, and a grey incidence model is established. The model possesses the properties of translational invariance, transpose and rank transform invari- ance, and satisfies the grey incidence analysis axioms. Finally, two cases are studied and the results prove the ef- fectiveness of the model.针对多元灰色绝对关联度存在分析结果与定性判断相矛盾的问题,探讨一种基于点分布特征的灰色绝对关联分析模型。该模型依据多元序列的几何描述,分区域提取邻域极值,构造多元序列的特征点集;然后根据特征点的分布特性获取反映多元序列几何特征的特征点序列;将多元序列的关联分析转化为特征点序列间的相关性分析,从而建立关联度模型。该模型具有平移不变性、转置和行列变换不变性、满足灰色关联分析公理要求。最后,通过两个实例验证了该模型的有效性。

关 键 词：grey system absolute degree of grey incidences multivariate time series similarity measure 

分 类 号：N941.5[自然科学总论—系统科学]