G-Filtering Nonstationary Time Series

Figure 5

(a, b) Two filtered components (solid lines) with the original signal (dashed lines), (c, d) Wigner-Ville plot for the two extracted components.

(a) Filtered low-frequency component versus signal

(b) Filtered high-frequency component versus signal

(c) Wigner-Ville plot for low TVF component

(d) Wigner-Ville plot for high TVF component