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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 tekniska universitet, Institutionen för teknikvetenskap och matematik, Strömningslära och experimentell mekanik.ORCID-id: 0000-0001-8355-2414
Luleå tekniska universitet.
1999 (engelsk)Inngår i: Optics and Laser Technology, ISSN 0030-3992, E-ISSN 1879-2545, Vol. 31, nr 1, s. 23-32Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
1999. Vol. 31, nr 1, s. 23-32
HSV kategori
Forskningsprogram
Experimentell mekanik
Identifikatorer
URN: urn:nbn:se:ltu:diva-10998DOI: 10.1016/S0030-3992(99)00031-6ISI: 000081812800021Scopus ID: 2-s2.0-0032672090Lokal ID: 9e46bf60-ff1e-11db-b19d-000ea68e967bOAI: oai:DiVA.org:ltu-10998DiVA, id: diva2:983947
Merknad
Godkänd; 1999; 20070510 (cira)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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