Vocalizations of the humpback whale Megaptera novaeangliae were investigated using the methods of the nonlinear time series analysis. Results show that the sound emissions are characterized by a combination of regular and irregular dynamic behaviors, the latter were characterized in terms of the maximum Lyapunov exponent and the KaplanYorke dimension, while by the computation of the Lyapunov spectrum, a hyperchaotic attractor was found. © 2006 WIT Press.
Facchini, A., Delogu, F., Lambroni, L., Pulselli, F.M., Tiezzi, E.B.P. (2006). Experimental evidences for chaotic dynamics in the vocalizations of the humpback whale Megaptera Novaeangliae. INTERNATIONAL JOURNAL OF ECODYNAMICS, 1(2), 180-188 [10.2495/ECO-V1-N2-180-188].
Experimental evidences for chaotic dynamics in the vocalizations of the humpback whale Megaptera Novaeangliae
PULSELLI, F. M.;TIEZZI, E. B. P.
2006-01-01
Abstract
Vocalizations of the humpback whale Megaptera novaeangliae were investigated using the methods of the nonlinear time series analysis. Results show that the sound emissions are characterized by a combination of regular and irregular dynamic behaviors, the latter were characterized in terms of the maximum Lyapunov exponent and the KaplanYorke dimension, while by the computation of the Lyapunov spectrum, a hyperchaotic attractor was found. © 2006 WIT Press.
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https://hdl.handle.net/11365/3187
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