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A wavefield extrapolation method for simulating B-scan images.

S Finette
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Abstract

We describe an algorithm which improves the efficiency of simulations of B-scan images involving water path acoustical imaging systems. The method is a hybrid approach in which Rayleigh-Sommerfeld diffraction theory is used to extrapolate the propagated part of the acoustic pressure field back to the transducer while the scattered field produced by the tissue is obtained using a time-domain scattering algorithm. Considerable savings in both CPU time and array storage are achieved by elimination of discrete time updates on the computational grid between the source and the tissue.

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AlgorithmsComputer SimulationHumansMathematicsUltrasonicsJournal ArticleResearch Support, Non-U.S. Gov't

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S Finette. 1987. A wavefield extrapolation method for simulating B-scan images.. https://doi.org/10.1177/016173468700900303

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PubMed2026

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