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Ghosts in the Born images of a layer probed by acoustic waves
S Delamare1, J P Lefebvre, A Wirgin
1Laboratoire de Mécanique et d'Acoustique, UPR 7051 du CNRS, Marseille, France.
Ultrasonics
|June 17, 2000
Abstract:
The Born inversion of time records of acoustic pulses reflected from a layer object gives rise to the images with ghost-like artifacts that make it difficult to pick out the exact thickness and composition of the object. The origin of these ghosts is explained herein and a means is proposed for their suppression.