G-Filtering Nonstationary Time Series

Figure 2

(a) Realization from signal in (1.2), (b) dual data based on 𝜆=0 and offset 200, (c) Parzen spectral density for data in (a), (d) Parzen spectral density for dual data in (b), (e) Wigner-Ville plot for data in (a), and (f) Wigner-Ville plot for data in (b).

(a) Data

(b) Dual data

(c) Parzen spectral density for (a)

(d) Parzen spectral density for (b)

(e) Wigner-Ville plot for (a)

(f) Wigner-Ville plot for (b)