A comparison of statistically optimized near field acoustic holography using single layer pressure velocity measurements and using double layer pressure measurements

Finn Jacobsen, Xinyi Chen, Virginie Jaud

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    Abstract

    Statistically optimized near field acoustic holography (SONAH) is usually based on the assumption that all sources are on one side of the measurement plane whereas the other side is source free. An extension of the SONAH procedure based on measurement with an array of pressure-velocity probes has recently been suggested. An alternative method uses a double layer array of pressure transducers. Both methods make it possible to distinguish between sources on the two sides of the array and thus suppress the influence of extraneous noise and reflections coming from the “wrong” side. This letter compares the two methods.
    Original languageEnglish
    JournalJournal of the Acoustical Society of America
    Volume123
    Issue number4
    Pages (from-to)1842-1845
    ISSN0001-4966
    DOIs
    Publication statusPublished - 2008

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    Copyright (2008) Acoustical Society of America. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the Acoustical Society of America.

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