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J Acoust Soc Am. 2005 Jan;117(1):79-84.

Ambient noise cross correlation in free space: theoretical approach.

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  • 1Marine Physical Laboratory of the Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California 92093-0238, USA. proux@ucsd.edu

Abstract

It has been experimentally demonstrated that the Green's function between two points could be recovered using the cross-correlation function of the ambient noise measured at these two points. This paper investigates the theory behind this result in the simple case of a homogeneous medium with attenuation.

PMID:
15704400
[PubMed]
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