Exploiting dynamical symmetry in coupled nonlinear elements for efficient frequency down-conversion.

Exploiting dynamical symmetry in coupled nonlinear elements for efficient frequency down-conversion. Research Abstract Details 

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Exploiting dynamical symmetry in coupled nonlinear elements for efficient frequency down-conversion. Abstract Text:

Patrick Longhini,Antonio Palacios,Visarath In,Joseph D Neff,Andy Kho,Adi Bulsara,Patrick Longhini,Antonio Palacios,Visarath In,Joseph D Neff,Andy Kho,Adi Bulsara,

The rich dynamical behavior stemming from unidirectional coupling in a single array of overdamped nonlinear elements has, recently, been extensively studied. By adjusting control parameters, one obtains regimes of oscillations with a frequency that scales in a characteristic way with the control parameter. With an external time-sinusoidal driving signal, a richness of synchronized (to the drive frequency or its subharmonics depending on the control parameter) dynamical behavior ensues. Including M > or = 2 arrays with a suitably chosen cross coupling has also been shown to lead to multifrequency patterns in the emergent dynamics. Here, we consider this arrangement and demonstrate that, under the appropriate conditions, the oscillation frequency of each successive array decreases by a rational factor with increasing M . This frequency down-conversion, obtainable without a heterodyning signal, affords the promise of very efficient signal processing in a variety of applications wherein, currently, the frequency down-conversion stage typically involves multistep processes with complicated and (often) noisy circuitry.

Exploiting dynamical symmetry in coupled nonlinear elements for efficient frequency down-conversion. Publishing Authors By Initials

P Longhini,A Palacios,V In,JD Neff,A Kho,A Bulsara,P Longhini,A Palacios,V In,JD Neff,A Kho,A Bulsara,

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Exploiting dynamical symmetry in coupled nonlinear elements for efficient frequency down-conversion. Journal Published:

PUBLICATION TYPE: Research Support, U.S. Gov't,

Journal: Physical review. E, Statistical, nonlinear, and so

VOLUME: 76

Page Numbers: 026201

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ISSN: 1539-3755

DAY: 1

MONTH: 08

YEAR: 2007

Exploiting dynamical symmetry in coupled nonlinear elements for efficient frequency down-conversion. Information

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LANGUAGE: eng

NlmUniqueID: 101136452

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Grant and Affiliation Information for Exploiting dynamical symmetry in coupled nonlinear elements for efficient frequency down-conversion.

AFFILIATION: Space and Naval Warfare Systems Center, Code 2373, 53560 Hull Street, San Diego, California 92152-5001, USA. longhini@spawar.navy.mil

Country: United States

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MEDLINETA: Phys Rev E Stat Nonlin Soft Ma

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