descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 1984 English Publisher:SAGE PublicationsJournal:Ultrasonic Imaging, volume 6, pages 126-138 (issn: 0161-7346, eissn: 1096-0910,

Authors: J. F. Havlice; M. Nassi; Shmuel Shaffer; D. W. Pettibone;

doi: 10.1177/016173468400600202

pmid: 6539975

Estimation of the Slope of the Acoustic Attenuation Coefficient

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Abstract

In this paper, a theoretical framework is developed which removes the Gaussian assumption commonly used in ultrasonic attenuation estimation based on mean frequency shift. The theory is developed for general non-Gaussian spectra and for media whose attenuation coefficient is nonlinear with frequency. Then, a linear approximation in the estimation of the attenuation coefficient's slope is examined. It is shown that the error due to the linear approximation is negligibly small.

Keywords

Computers, Humans, Models, Theoretical, Ultrasonography

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