中文说明：
延时矢量方差(DVV)方法使用的可预测性的信号在相空间来描述时间序列。DVV方法已经成功地应用于分析生物信号的性质(EEG和fMRI)。
English Description：
Delay vector variance (DVV) method uses predictable signals in phase space to describe time series. DVV method has been successfully applied to analyze the properties of biological signals (EEG and fMRI).