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Noise-enhanced heterodyning in bistable systems.

Dykman, M. I. and Golubev, G. P. and Luchinsky, D. G. and McClintock, Peter V. E. and Stein, N. D. and Stocks, N. G. (1994) Noise-enhanced heterodyning in bistable systems. Physical Review E, 49 (3). pp. 1935-1942. ISSN 1539-3755

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    Abstract

    A new form of heterodyning is reported in which a heterodyne signal at the difference frequency between an input signal and a reference signal can be enhanced by adding noise. The underlying mechanism is closely related to that of stochastic resonance. The dependences of the heterodyne signal and the signal-to-noise ratio on the amplitudes and frequencies of the input and reference signals have been investigated. Noise-induced enhancement of the heterodyning has been demonstrated both for white noise and for high-frequency noise (with the power spectrum centered at the frequency of the reference signal) added at the input.

    Item Type: Article
    Journal or Publication Title: Physical Review E
    Subjects: Q Science > QC Physics
    Departments: Faculty of Science and Technology > Engineering
    Faculty of Science and Technology > Physics
    ID Code: 32127
    Deposited By: Professor P. V. E. McClintock
    Deposited On: 09 Mar 2010 13:30
    Refereed?: Yes
    Published?: Published
    Last Modified: 14 Apr 2015 09:12
    Identification Number:
    URI: http://eprints.lancs.ac.uk/id/eprint/32127

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