Figure 1.
The flow chart of EMD.
Figure 2.
PCHI curves with different derivatives.
Figure 3.
The flow chart of the proposed FC-PCHI method.
Figure 4.
the CSI envelopes.
Figure 5.
the PPI envelopes.
Figure 6.
the FC-PCHI envelopes.
Figure 7.
Ascertain signal’s CSI EMD results.
Figure 8.
Ascertain signal’s PPI EMD results.
Figure 9.
Ascertain signal’s FC-PCHI EMD results.
Table 1.
The comparison of IO and IEC results for ascertain signal.
Figure 10.
Random signal’s CSI EMD results.
(a) shows random signal and its IMFs based on CSI, and (b) shows the corresponding Hilbert spectrum.
Figure 11.
Random signal’s PPI EMD results.
(a) shows random signal and its IMFs based on PPI, and (b) shows the corresponding Hilbert spectrum.
Figure 12.
Random signal’s FC-PCHI EMD results.
(a) shows random signal and its IMFs based on FC-PCHI, and (b) shows the corresponding Hilbert spectrum.
Table 2.
The comparison of AIO and AIEC results for random signals.
Figure 13.
ECG signal and the reconstructed signals.
Figure 14.
ECG’s CSI EMD results.
Figure 15.
ECG’s PPI EMD results.
Figure 16.
ECG’s FC-PCHI EMD results.
Table 3.
The comparison of AIO and AIEC results for ECG signals.