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A procedure for imaging interfaces formed by simultaneous density and velocity contrasts in acoustic media is described. The procedure is based on the properties of radiation imaging operators-a class of linear differential operators parametrically dependent on the acoustic properties of the media. An example of this procedure is demonstrated through the use of numerical simulation. Results, in the form of interface images, are shown, assuming the bulk acoustic characteristics (velocity and density) on both sides of the interface are known.
Ultrasonics, Ferroelectrics and Frequency Control, IEEE Transactions on (Volume:44 , Issue: 6 )
Date of Publication: Nov. 1997