Ambient noise cross correlation in free space: theoretical approach.

  title={Ambient noise cross correlation in free space: theoretical approach.},
  author={Philippe Roux and Karim Sabra and W. A. Kuperman and A. Roux},
  journal={The Journal of the Acoustical Society of America},
  volume={117 1},
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. 

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Arrival times structure of t long - time ambient noise cross - correlation function in an oceanic wa guide

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Kuperman , and the NPAL Group , ‘ ‘ Extracting cohere wavefronts fom acoustic ambient noise in the ocean

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