Journal of Probability and Statistics / 2013 / Article / Fig 2

Research Article

Using Time Deformation to Filter Nonstationary Time Series with Multiple Time-Frequency Structures

Figure 2

(a) The dual data obtained from Figure 1(a) using GWS software; (b) Wigner-Ville time-frequency plot for (a); (c) recovered low frequency component from (a); (d) recovered high frequency component from (a).
(a)  Data after time transformation
(b) Wigner-Ville plot for (a)
(c) Low-pass filtered data
(d) Recovered high frequency TVF signal

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