Detection of Nuclear Resonance Signals

Modification of the Receiver Operating Characteristics Using Feedback

A. J. Blauch, Jeffrey Louis Schiano, M. D. Ginsberg

    Research output: Contribution to journalArticle

    4 Citations (Scopus)

    Abstract

    The performance of a nuclear resonance detection system can be quantified using binary detection theory. Within this framework, signal averaging increases the probability of a correct detection and decreases the probability of a false alarm by reducing the variance of the noise in the average signal. In conjunction with signal averaging, we propose another method based on feedback control concepts that further improves detection performance. By maximizing the nuclear resonance signal amplitude, feedback raises the probability of correct detection. Furthermore, information generated by the feedback algorithm can be used to reduce the probability of false alarm. We discuss the advantages afforded by feedback that cannot be obtained using signal averaging. As an example, we show how this method is applicable to the detection of explosives using nuclear quadrupole resonance,

    Original languageEnglish (US)
    Pages (from-to)305-315
    Number of pages11
    JournalJournal of Magnetic Resonance
    Volume144
    Issue number2
    DOIs
    StatePublished - Jan 1 2000

    Fingerprint

    ROC Curve
    receivers
    Feedback
    false alarms
    Nuclear quadrupole resonance
    Feedback control
    Noise
    nuclear quadrupole resonance
    feedback control

    All Science Journal Classification (ASJC) codes

    • Biophysics
    • Biochemistry
    • Nuclear and High Energy Physics
    • Condensed Matter Physics

    Cite this

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    abstract = "The performance of a nuclear resonance detection system can be quantified using binary detection theory. Within this framework, signal averaging increases the probability of a correct detection and decreases the probability of a false alarm by reducing the variance of the noise in the average signal. In conjunction with signal averaging, we propose another method based on feedback control concepts that further improves detection performance. By maximizing the nuclear resonance signal amplitude, feedback raises the probability of correct detection. Furthermore, information generated by the feedback algorithm can be used to reduce the probability of false alarm. We discuss the advantages afforded by feedback that cannot be obtained using signal averaging. As an example, we show how this method is applicable to the detection of explosives using nuclear quadrupole resonance,",
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    Detection of Nuclear Resonance Signals : Modification of the Receiver Operating Characteristics Using Feedback. / Blauch, A. J.; Schiano, Jeffrey Louis; Ginsberg, M. D.

    In: Journal of Magnetic Resonance, Vol. 144, No. 2, 01.01.2000, p. 305-315.

    Research output: Contribution to journalArticle

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