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    Volume 28, Issue 1 (January 2000)

    Stochastic Resonance in Acoustic Emission

    (Received 22 January 1996; accepted 15 October 1999)

    Published Online: 01 January 2000


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    Stochastic resonance allows below-threshold signals to be detected because of the presence of favorable background noise. In this paper the author describes stochastic resonance and anti-resonance and presents some examples to illustrate how these affect the detection rates of acoustic emission signals or ultrasonic pulses in low signal-to-noise environments. The author introduces the signal fraction, a measure for quantifying the fraction of detected events that contain a signal that appears to have advantages over the signal-to-noise ratio for certain kinds of data, and a formalism for calculating the probability of signal detection when the noise is a time-dependent sinusoid.

    Author Information:

    Friesel, M
    Physical Acoustics Research Institute, Princeton, NJ

    Stock #: JTE12074J


    DOI: 10.1520/JTE12074J

    Title Stochastic Resonance in Acoustic Emission
    Symposium ,
    Committee E07