Artículos de revistas
Signal amplification of active rotators with phase-shifted coupling
Fecha
2012Registro en:
EUROPEAN PHYSICAL JOURNAL B, NEW YORK, v. 85, n. 6, p. 219-1-219-6, JUN, 2012
1434-6028
10.1140/epjb/e2012-30310-1
Autor
Liang, X. M.
Liang, Zhao
Liu, Z. H.
Institución
Resumen
In this paper, we study the signal amplification of coupled active rotators with phase-shifted coupling. We find that the system's response to the external subthreshold signal can be significantly affected by each of the two types of phase-shifted couplings: identical and non-identical phase-shifted couplings. Moreover, through both theoretical analysis and numerical simulations, we have figured out the optimal phase shift, at which the largest signal amplification is generated. These results show that the phase-shifted coupling plays an important role in regulating the system's response to the subthreshold signal.