Enhanced signal response in globally coupled networks of bistable oscillators: Effects of mean field density and signal shape

Ndjomatchoua, Frank Thomas; Gninzanlong, Carlos Lawrence; Mbong Djomo, Thierry Landry Michel; Pebeu Kepnang, Maxime Fabrice; Tchawoua, Clément

doi:10.1103/physreve.107.064208

Phys. Rev. E

2023

DOI: 10.1103/physreve.107.064208

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Enhanced signal response in globally coupled networks of bistable oscillators: Effects of mean field density and signal shape

Frank Thomas Ndjomatchoua,

Carlos Lawrence Gninzanlong,

Thierry Landry Michel Mbong Djomo

et al.

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Cited by 4 publications

References 35 publications

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Enhancing weak signal propagation by intra- and inter-layer global couplings in a feedforward network

Wu,

Zhu

et al. 2024

Chaos, Solitons & Fractals

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Enhancing weak signal propagation by intra- and inter-layer global couplings in a feedforward network

Wu,

Zhu

et al. 2024

Chaos, Solitons & Fractals

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Signal response enhanced by partial time delay in anormal diffusive coupled bistable oscillators

Tang,

Wang,

et al. 2023

AIP Advances

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The effect of a partial time delay on the response to external weak input signals in a bistable oscillator with anormal diffusive coupling was studied. Periodic resonance or anti-resonance in the signal response with time delay was observed, and the resonance period equals the period of the external input signal. Specifically, for the negative mean-field density parameter, the signal response can be improved through time delay, which is a resonance phenomenon. Conversely, for the positive mean-field density parameter, no such enhancement effect was observed, suggesting the presence of an anti-resonance phenomenon. As the probability of a partial time delay increases, the width of the time delay of the optimal signal response becomes narrower. When the probability of a partial time delay is large enough, the response of the system is optimal only when the time delay closely approximates integer or half-integer multiples of the external signal period. These numerical findings provide a new approach for weak signal detection that could be applied to the extraction of weak feature information within relevant fields.

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Periodic driving shape controls energy transmission

Simadji Ngamou,

Ndjomatchoua,

Tchawoua

2024

Phys. Rev. E

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Enhanced signal response in globally coupled networks of bistable oscillators: Effects of mean field density and signal shape

Cited by 4 publications

References 35 publications

Enhancing weak signal propagation by intra- and inter-layer global couplings in a feedforward network

Enhancing weak signal propagation by intra- and inter-layer global couplings in a feedforward network

Signal response enhanced by partial time delay in anormal diffusive coupled bistable oscillators

Periodic driving shape controls energy transmission

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