Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Sensitive signal detection using a feed-forward oscillator network.

N J McCullen1, T Mullin, M Golubitsky

  • 1Manchester Centre for Nonlinear Dynamics, The University of Manchester, Manchester M13 9PL, United Kingdom. n.mccullen@bath.ac.uk

Physical Review Letters
|August 7, 2007
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Homeostasis despite instability.

Mathematical biosciences·2018
Same author

On the buckling of an elastic holey column.

Proceedings. Mathematical, physical, and engineering sciences·2017
Same author

Buckling of a holey column.

Soft matter·2016
Same author

Granular segregation driven by particle interactions.

Physical review letters·2015
Same author

Balancing a cylinder on a thin vertical layer of viscous fluid.

Physical review. E, Statistical, nonlinear, and soft matter physics·2013
Same author

Route to hyperchaos in a system of coupled oscillators with multistability.

Physical review. E, Statistical, nonlinear, and soft matter physics·2011
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

Researchers developed a nonlinear coupled oscillator network to amplify weak signals. This system effectively extracts periodic signals from noisy data with high amplification and dynamic range.

Area of Science:

  • Nonlinear dynamics
  • Complex systems
  • Signal processing

Background:

  • Coupled nonlinear oscillators exhibit complex behaviors.
  • Hopf bifurcation is a critical point for system dynamics.
  • Extracting weak signals from noise is a significant challenge.

Purpose of the Study:

  • To investigate a feed-forward coupled nonlinear oscillator network.
  • To exploit nonlinear oscillator responses near Hopf bifurcation for signal amplification.
  • To develop a method for extracting weak periodic signals from noisy time series.

Main Methods:

  • Experimental setup of nonlinear coupled oscillators in feed-forward configuration.
  • Utilizing the nonlinear response near the Hopf bifurcation point.
  • Analyzing signal amplification, bandwidth, and dynamic range.

Related Experiment Videos

Main Results:

  • Achieved remarkable amplification of small signals (approx. 60 dB).
  • Demonstrated a narrow bandwidth (approx. 1% of central frequency).
  • Showcased a large dynamic range (approx. 80 dB) for signal extraction.
  • Successfully extracted signals from time series with signal-to-noise ratio as low as -50 dB.

Conclusions:

  • The nonlinear coupled oscillator network effectively amplifies weak signals.
  • The system provides a robust method for extracting periodic signals from highly noisy environments.
  • This approach offers a promising technique for sensitive signal detection and measurement.