Figure 5.
For a sample 5-min pre-AF heart rate signal: (a) third component of the VFCDM decomposition; (b) PSD of the third component; (c) fourth component of the VFCDM decomposition; (d) PSD of the fourth component; (e) reconstructed heart rate signal along with the Hilbert transform envelope; and (f) PSD of the reconstructed heart rate.