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Acoustic holography
Department of Mechanical Engineering, Eindhoven University of Technology.ORCID iD: 0000-0002-3609-3005
2008 (English)Patent (Other (popular science, discussion, etc.))
Abstract [en]

A method of performing near- field acoustic holography comprises the following steps. Establishing (102) acoustic data representing a set of near-field acoustic holography measurements at a first set of positions. Extrapolating (204) acoustic data using a model-based extrapolation to obtain extrapolated acoustic data relating to a plurality of positions outside the aperture. Applying (108) a spatial frequency transform to the padded acoustic data to obtain data in a spatial frequency domain. Propagating (110) the Fourier transformed acoustic data. Applying (112) a regularization in a wavenumber domain. Performing (114) an inverse spatial frequency transform.

Place, publisher, year, edition, pages
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Fluid Mechanics and Acoustics
URN: urn:nbn:se:kth:diva-86750OAI: diva2:500997
US 8701491B2 (2014-04-22)

QC 20150119

Available from: 2012-02-13 Created: 2012-02-13 Last updated: 2015-01-19Bibliographically approved

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Lopez Arteaga, Ines
Fluid Mechanics and Acoustics

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