A flexible digital signal processing platform for very high signal-to-noise ratio enhancement of weak eddy current and ultrasonic signals routinely encountered in NDE

P. Gaydecki*, G. Miller, R. Mijarez, B. Fernandes, M. Zaid, H. Hussin

*Corresponding author for this work

    Research output: Chapter in Book/Conference proceedingConference contributionpeer-review

    Abstract

    The design, programming and application of a novel and cost effective digital signal processing (DSP) platform is described, whose speed, large dynamic range and stability renders it suitable for NDE applications that mandate the extraction and identification of very weak signals embedded in noise. The system has been deployed both for the isolation of weak magnetic fields propagated through a ferrous steel boundary, and in the recovery of ultrasonic signals transmitted through seawater and severely attenuated by divergence losses.

    Original languageEnglish
    Title of host publicationReview of Progress in Quantitative Nondestructive Evaluation: Volume 25A
    Pages677-683
    Number of pages7
    Volume820 I
    DOIs
    Publication statusPublished - 6 Mar 2006
    EventReview of Progress in Quantitative Nondestructive - Brunswick, ME, United States
    Duration: 31 Jul 20055 Aug 2005

    Conference

    ConferenceReview of Progress in Quantitative Nondestructive
    Country/TerritoryUnited States
    CityBrunswick, ME
    Period31/07/055/08/05

    Keywords

    • Real time digital signal processing
    • Weak signal recovery

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