Abstract
Correlated signals of thermal acoustic radiation from heated sources extending in the transverse direction (a pair of narrow plasticine plates and a wide plasticine strip) are measured. The measurements are performed by multiplying together the signals that are shifted in time with respect to each other and detected by two piezoelectric transducers. The values of the correlated signals of thermal acoustic radiation are determined by the spatial variation of temperature in the medium under study.
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Translated from Akusticheski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Zhurnal, Vol. 49, No. 6, 2003, pp. 725–730.
Original Russian Text Copyright © 2003 by Anosov, Barabanenkov, Sel’ski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\).
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Anosov, A.A., Barabanenkov, Y.N. & Sel’skii, A.G. Correlation reception of thermal acoustic radiation. Acoust. Phys. 49, 615–619 (2003). https://doi.org/10.1134/1.1626171
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DOI: https://doi.org/10.1134/1.1626171