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Título

Phase-shifts in stochastic resonance in a Chua circuit

AutorKorneta, Wojciech; Gomes, Iacyel; Mirasso, Claudio R. ; Toral, Raúl
Palabras claveChaotic Dynamics
Stochastic resonance
Electronic Chua circuit
Switch-phase distribution
Phase-shifts
De-synchronization
Fecha de publicación14-ene-2008
ResumenWe present an experimental study of stochastic resonance in an electronic Chua circuit operating in the chaotic regime. We study in detail the switch-phase distribution and the phase-shift between sinusoidal forcing for two responses of the circuit: one depending on both inter-well and intra-well dynamics and the other depending only on inter-well dynamics. We describe the two relevant de-synchronizatrion mechanisms for high and low frequencies of the forcing and present a method to detect the optimal noise intensity from switch phases which coincides with the one derived from the observation of the signal-to-noise ratio or residence times.
DescripciónPACS numbers: 05.40.-a,02.50.Ey.-- 5 pages, 9 figures.
Documento del GobibernoarXiv:0710.5353v1 [nlin.CD]
URIhttp://hdl.handle.net/10261/6058
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