pso优化BP，非常实用，具有较好的预测能力-pso optimal BP，Very practical, with good predictability

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)。-The Delay vector variance (DVV) method uses predictability of the signal in phase space to characterize the time series.The DVV method has been successfully applied to analyse the n