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Rulkov NF, Tsimring L, Larsen ML, et al. Synchronization and beam forming in an array of repulsively coupled oscillators. Phys Rev E Stat Nonlin Soft Matter Phys. 2006;74(5):056205doi: 10.1103/PhysRevE.74.056205.
Rulkov, N. F., Tsimring, L., Larsen, M. L., & Gabbay, M. (2006). Synchronization and beam forming in an array of repulsively coupled oscillators. Physical review. E, Statistical, nonlinear, and soft matter physics, 74(5), 056205. https://doi.org/10.1103/PhysRevE.74.056205
Rulkov, N F, et al. "Synchronization and beam forming in an array of repulsively coupled oscillators." Physical review. E, Statistical, nonlinear, and soft matter physics vol. 74,5 (2006): 056205. doi: https://doi.org/10.1103/PhysRevE.74.056205
Rulkov NF, Tsimring L, Larsen ML, Gabbay M. Synchronization and beam forming in an array of repulsively coupled oscillators. Phys Rev E Stat Nonlin Soft Matter Phys. 2006 Nov;74(5):056205. doi: 10.1103/PhysRevE.74.056205. Epub 2006 Nov 15. PMID: 17279982.
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Phys Rev E Stat Nonlin Soft Matter Phys. 2006 Nov;74(5):056205. doi: 10.1103/PhysRevE.74.056205. Epub 2006 Nov 15.

Synchronization and beam forming in an array of repulsively coupled oscillators.

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

N F Rulkov, L Tsimring, M L Larsen, M Gabbay

Affiliations

  1. Institute for Nonlinear Science, University of California-San Diego, La Jolla, CA 92093-0402, USA.

PMID: 17279982 DOI: 10.1103/PhysRevE.74.056205

Abstract

We study the dynamics of an array of Stuart-Landau oscillators with repulsive coupling. Autonomous network with global repulsive coupling settles on one from a continuum of synchronized regimes characterized by zero mean field. Driving this array by an external oscillatory signal produces a nonzero mean field that follows the driving signal even when the oscillators are not locked to the external signal. At sufficiently large amplitude the external signal synchronizes the oscillators and locks the phases of the array oscillations. Application of this system as a beam-forming element of a phase array antenna is considered. The phase dynamics of the oscillator array synchronization is used to reshape the phases of signals received from the phase array antenna and improve its beam pattern characteristics.

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