I/f noise in systems showing stochastic resonance

László B. Kiss, Z. Gingl, Zsuzsanna Márton, János Kertész, Frank Moss, Gabor Schmera, Adi Bulsara

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

Stochastic resonator systems with input and/or output 1/f noise have been studied. Disordered magnets/dielectrics serve as examples for the case of output 1/f noise with white noise (thermal excitation) at the input of the resonators. Due to the fluctuation-dissipation theorem, the output noise is related to the out-of-phase component of the periodic peak of the output spectrum. Spin glasses and ferromagnets serve as interesting examples of coupled stochastic resonators. A proper coupling can lead to an extremely large signal-to-noise ratio. As a model system, a l/f-noise-driven Schmitt trigger has been investigated experimentally to study stochastic resonance with input 1/f noise. Under proper conditions, we have found several new nonlinearity effects, such as peaks at even harmonics, holes at even harmonics, and 1/f noise also in the output spectrum.

Original languageEnglish
Pages (from-to)451-462
Number of pages12
JournalJournal of Statistical Physics
Volume70
Issue number1-2
DOIs
Publication statusPublished - Jan 1993

Fingerprint

Stochastic Resonance
1/f Noise
Resonator
Output
output
resonators
Harmonic
Fluctuation-dissipation Theorem
Ferromagnet
harmonics
Spin Glass
White noise
Trigger
white noise
spin glass
Excitation
Nonlinearity
signal to noise ratios
magnets
dissipation

Keywords

  • 1/f noise
  • signal-to-noise ratio
  • Stochastic resonance

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Physics and Astronomy(all)
  • Mathematical Physics

Cite this

Kiss, L. B., Gingl, Z., Márton, Z., Kertész, J., Moss, F., Schmera, G., & Bulsara, A. (1993). I/f noise in systems showing stochastic resonance. Journal of Statistical Physics, 70(1-2), 451-462. https://doi.org/10.1007/BF01053981

I/f noise in systems showing stochastic resonance. / Kiss, László B.; Gingl, Z.; Márton, Zsuzsanna; Kertész, János; Moss, Frank; Schmera, Gabor; Bulsara, Adi.

In: Journal of Statistical Physics, Vol. 70, No. 1-2, 01.1993, p. 451-462.

Research output: Contribution to journalArticle

Kiss, LB, Gingl, Z, Márton, Z, Kertész, J, Moss, F, Schmera, G & Bulsara, A 1993, 'I/f noise in systems showing stochastic resonance', Journal of Statistical Physics, vol. 70, no. 1-2, pp. 451-462. https://doi.org/10.1007/BF01053981
Kiss LB, Gingl Z, Márton Z, Kertész J, Moss F, Schmera G et al. I/f noise in systems showing stochastic resonance. Journal of Statistical Physics. 1993 Jan;70(1-2):451-462. https://doi.org/10.1007/BF01053981
Kiss, László B. ; Gingl, Z. ; Márton, Zsuzsanna ; Kertész, János ; Moss, Frank ; Schmera, Gabor ; Bulsara, Adi. / I/f noise in systems showing stochastic resonance. In: Journal of Statistical Physics. 1993 ; Vol. 70, No. 1-2. pp. 451-462.
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