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Pulsed TV holography and tomography for the study of transient waves in air
University of Science and Technology of China.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0001-8355-2414
Luleå tekniska universitet.
1999 (English)In: Optics and Laser Technology, ISSN 0030-3992, E-ISSN 1879-2545, Vol. 31, no 1, p. 23-32Article in journal (Refereed) Published
Abstract [en]

Transient waves in air are recorded and reconstructed using pulsed TV holography and computerized tomography (CT). Experiments are performed with an electrical discharge between two electrodes as the acoustic wave source. The free space wave-fronts and pressure fields are reconstructed. Waves reflected and diffracted by different obstacles are also recorded and reconstructed in three dimensions. Speckle averaging and image processing techniques are used to get the high quality projection fields needed for CT reconstruction.

Place, publisher, year, edition, pages
1999. Vol. 31, no 1, p. 23-32
National Category
Applied Mechanics
Research subject
Experimental Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-10998DOI: 10.1016/S0030-3992(99)00031-6ISI: 000081812800021Scopus ID: 2-s2.0-0032672090Local ID: 9e46bf60-ff1e-11db-b19d-000ea68e967bOAI: oai:DiVA.org:ltu-10998DiVA, id: diva2:983947
Note
Godkänd; 1999; 20070510 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Gren, PerWåhlin, Anders

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