Research Article

G-Filtering Nonstationary Time Series

Figure 6

(a) Brown bat echolocation data, (b) dual of data in (a), (c) Wigner-Ville plot for (a), (d) Wigner-Ville plot for (b), (e) low pass filtered data, and (f) high pass filtered data.
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(a) Bat data
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(b) Bat dual data
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(c) Wigner-Ville plot for (a)
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(d) Wigner-Ville plot for (b)
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(e) Low-frequency TVF component
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(f) High-frequency TVF component