Estimator for reflective delay line-type SAW sensors

Ville Viikari, K. Kokkonen, Johanna Meltaus, Heikki Seppä

    Research output: Contribution to journalArticleScientificpeer-review

    1 Citation (Scopus)

    Abstract

    This correspondence presents an estimator for reflective delay line-type surface acoustic wave (SAW) sensors. The estimator is derived from an analytical model and its range of validity is discussed. The proposed estimator enables simultaneous access to several SAW sensors with time-orthogonal responses and it can be implemented in a computationally efficient way utilizing the fast Fourier transform algorithm. The estimator is experimentally verified and its performance is compared with that of a reference estimator.
    Original languageEnglish
    Pages (from-to)1277-1281
    Number of pages5
    JournalIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
    Volume56
    Issue number6
    DOIs
    Publication statusPublished - 2009
    MoE publication typeA1 Journal article-refereed

    Keywords

    • SAW
    • surface acoustic wave sensors
    • surface acoustic waves
    • estimators

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