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Lai YC, Liu Z. Noise-enhanced temporal regularity in coupled chaotic oscillators. Phys Rev E Stat Nonlin Soft Matter Phys. 2001;64(6):066202doi: 10.1103/PhysRevE.64.066202.
Lai, Y. C., & Liu, Z. (2001). Noise-enhanced temporal regularity in coupled chaotic oscillators. Physical review. E, Statistical, nonlinear, and soft matter physics, 64(6), 066202. https://doi.org/10.1103/PhysRevE.64.066202
Lai, Y C, and Liu, Z. "Noise-enhanced temporal regularity in coupled chaotic oscillators." Physical review. E, Statistical, nonlinear, and soft matter physics vol. 64,6 (2001): 066202. doi: https://doi.org/10.1103/PhysRevE.64.066202
Lai YC, Liu Z. Noise-enhanced temporal regularity in coupled chaotic oscillators. Phys Rev E Stat Nonlin Soft Matter Phys. 2001 Dec;64(6):066202. doi: 10.1103/PhysRevE.64.066202. Epub 2001 Nov 20. PMID: 11736263.
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Phys Rev E Stat Nonlin Soft Matter Phys. 2001 Dec;64(6):066202. doi: 10.1103/PhysRevE.64.066202. Epub 2001 Nov 20.

Noise-enhanced temporal regularity in coupled chaotic oscillators.

Physical review. E, Statistical, nonlinear, and soft matter physics

Y C Lai, Z Liu

Affiliations

  1. Department of Mathematics, Arizona State University, Tempe, Arizona 85287, USA.

PMID: 11736263 DOI: 10.1103/PhysRevE.64.066202

Abstract

Existing works on coherence resonance, i.e., the phenomenon of noise-enhanced temporal regularity, focus on excitable dynamical systems such as those described by the FitzHugh-Nagumo equations. We extend the scope of coherence resonance to an important class of nonexcitable dynamical systems: coupled chaotic oscillators. In particular, we argue that, when a system of coupled chaotic oscillators in a noisy environment is viewed as a signal processing unit, the degree of temporal regularity of certain output signals may be modulated by noise and may reach a maximum value at some optimal noise level. Implications to signal processing in biological systems are pointed out.

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