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Atmospheric acoustic interferometer tomography of temperature and winds

Bradley, SG, Von Hunerbein, S and Haddad, A 2005, 'Atmospheric acoustic interferometer tomography of temperature and winds' , Acta Acustica united with Acustica, 91 (6) , pp. 1025-1030.

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Abstract

A technique is described for multiple-path propagation time measurements in the surface layer of the atmosphere. This is based on solving simple bi-directional ray tracing equations on successively higher penetrating paths using propagation times for a short acoustic pulse. Full refractive effects are included for the multi-layer system. The scattering process from turbulence is shown to be capable of providing signals from which phase comparisons can be made and time-of-flight deduced. Simulations demonstrate that the method has potential for deriving continuous temperature and wind profiles. In practice a multiple-beam interferometer can be used at each end of the path. Such an instrument has been designed and is described, together with future planned enhancements.

Item Type: Article
Themes: Subjects / Themes > Q Science > QC Physics > QC221-246 Acoustics - Sound
Subjects / Themes > Q Science > QC Physics > QC851-999 Meteorology - Climatology
Subjects outside of the University Themes
Schools: Colleges and Schools > College of Science & Technology
Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering
Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Acoustics Research Centre
Journal or Publication Title: Acta Acustica united with Acustica
Publisher: S Hirzel Verlag GMBH and Co
Refereed: Yes
ISSN: 1610-1928
Depositing User: SUM Von-Hunerbein
Date Deposited: 19 Aug 2010 14:08
Last Modified: 20 Aug 2013 17:20
URI: http://usir.salford.ac.uk/id/eprint/9591

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