A Beam Corrected Estimation of the Frequency Dependent Attenuation of Biological Tissues from Backscattered Ultrasound
作者： M.J.T.M. Cloostermans , J.M. Thijssen
DOI: 10.1177/016173468300500203
关键词: Acoustic attenuation 、 Optics 、 Frequency dependent attenuation 、 Field (physics) 、 Materials science 、 Ultrasound 、 Dispersion (optics) 、 Ultrasound energy 、 Attenuation 、 Beam (structure)
摘要: A practical and highly accurate method of estimation the frequency-dependent slope acoustic attenuation coefficient, α1, using backscattered ultrasound energy is presented. The influence focused beam experimentally measured a simple for incorporating field effects in estimate α1 described. accuracy α1in vitro which appears to be order 10 percent, demonstrates feasibility vivo applications technique.
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