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Título

Stochastic resonance and generalized information measures

AutorTessone, Claudio J.; Plastino, Ángel R.; Wio, Horacio S.
Palabras claveStochastic resonance
Information measures
Non-extensive entropies
[PACS] Fluctuation phenomena, random processes, noise, and Brownian motion
[PACS] Stochastic processes
[PACS] Nonlinearity (including bifurcation theory)
Fecha de publicación5-jul-2003
EditorElsevier
CitaciónPhysica A 326(1-2): 37-54 (2003)
ResumenWe use Tsallis’ information measure and the recently advanced “escort-Tsallis” one in order to investigate the stochastic resonance (SR) phenomenon. In particular, on the basis of these generalized information measures (GIM), both characterized by a non-extensivity parameter q, we study the effect of modifying the type of noise. The GIM are used to measure SR phenomenon comparing the input and output probability distributions, finding that for the range of noise intensities enhancing SR, q→0 gives the optimum measure. An important advantage of using GIM instead of Shannon's measure is the possibility of detecting smaller signal amplitudes with the former than with the latter one.
Descripción18 pages, 8 figures.-- PACS nrs.: 05.40.−a; 02.50.Ey; 47.20.Ky.-- Printed version published Aug 1, 2003.
Full-text version available Open Access at: http://ifisc.uib.es/publications/downfile.php?fid=2958
Versión del editorhttp://dx.doi.org/10.1016/S0378-4371(03)00273-5
URIhttp://hdl.handle.net/10261/14876
DOI10.1016/S0378-4371(03)00273-5
ISSN0378-4371
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