Noise effect in a FitzHugh-Nagumo circuit driven by a bichromatic signal

6533b85afe1ef96bd12b9748

RESEARCH PRODUCT

Noise effect in a FitzHugh-Nagumo circuit driven by a bichromatic signal

Saverio Morfu Maxime Bordet

subject

neural network Stochastic resonance [PHYS.PHYS.PHYS-BIO-PH]Physics [physics]/Physics [physics]/Biological Physics [physics.bio-ph]Acoustics 01 natural sciences Noise (electronics)010305 fluids & plasmas [NLIN.NLIN-PS]Nonlinear Sciences [physics]/Pattern Formation and Solitons [nlin.PS]Noise generator [ PHYS.PHYS.PHYS-BIO-PH ] Physics [physics]/Physics [physics]/Biological Physics [physics.bio-ph][NLIN.NLIN-PS] Nonlinear Sciences [physics]/Pattern Formation and Solitons [nlin.PS]0103 physical sciences Phase noise [ NLIN.NLIN-PS ] Nonlinear Sciences [physics]/Pattern Formation and Solitons [nlin.PS]010306 general physics ComputingMilieux_MISCELLANEOUS Physics [PHYS.PHYS.PHYS-BIO-PH] Physics [physics]/Physics [physics]/Biological Physics [physics.bio-ph]Noise spectral density Quantum noise Noise floor [SPI.TRON] Engineering Sciences [physics]/Electronics [ SPI.TRON ] Engineering Sciences [physics]/Electronics [SPI.TRON]Engineering Sciences [physics]/Electronics Burst noise Quantum electrodynamics nonlinear circuit Stochastic resonance

description

We analyze the response of a nonlinear circuit exactly ruled by the FitzHugh-Nagumo equations. This circuit is submitted to a bichromatic signal including a high frequency and a low frequency. In absence of noise, we show that for an appropriate amplitude of the high frequency driving, the response of the circuit estimated at the low frequency can be optimized via the phenomenon of vibrational resonance. Next, we show that under certain conditions, noise can contribute to the effect of vibrational resonance. Colored noise is also considered. Our experimental results are confirmed by a numerical analysis.

year	journal	country	edition	language
2013-06-24	2013 22nd International Conference on Noise and Fluctuations (ICNF)

https://doi.org/10.1109/icnf.2013.6578919

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