Patterns of cross-correlation in time series: A case study of gait trails
Song Jia, Weng Tong-Feng, Gu Chang-Gui, Yang Hui-Jie †
       

Intrinsic modes in the records of normal stride intervals for the volunteer numbered 1. “Raw“, the normalized stride interval series. M1 to M17, the total of 16 intrinsic modes and the residual series obtained with the empirical mode decomposition algorithm (EMD).