The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 22, 2014
Filed:
Apr. 22, 2009
Rick Scholte, Eindhoven, NL;
Ines Lopez Arteaga, Eindhoven, NL;
Rick Scholte, Eindhoven, NL;
Ines Lopez Arteaga, Eindhoven, NL;
Stichting voor de Technische Wetenschapen, Utrecht, NL;
Technische Universiteit Eindhoven, Eindhoven, NL;
Abstract
A method of performing near-field acoustic holography comprises the following steps. Establishing () acoustic data representing a set of near-field acoustic holography measurements at a first set of positions. Extrapolating () acoustic data using a model-based extrapolation to obtain extrapolated acoustic data relating to a plurality of positions outside the aperture. Applying () a spatial frequency transform to the padded acoustic data to obtain data in a spatial frequency domain. Propagating () the Fourier transformed acoustic data. Applying () a regularization in a wavenumber domain. Performing () an inverse spatial frequency transform.
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