Separate reconstruction of the speed of sound, density of the medium, and coefficient of absorption in tomographic problemsстатья
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Дата последнего поиска статьи во внешних источниках: 4 сентября 2018 г.
Аннотация:Procedure of separating from scatterer function the contributions caused by inhomogeneities of sound speed, medium density and absorption coefficient is considered. This scatterer function is reconstructed by means of one of methods for solving the inverse problem. Simultaneously, a power index for frequency dependence of the absorption coefficient is determined. Interference resistance of this procedure in polychromatic regime is investigated by numerical modeling.