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RESEARCH PAPERS

Soft Tissue Attenuation of Acoustic Emission Pulses

[+] Author and Article Information
T. M. Wright, J. M. Carr

Department of Biomechanics, The Hospital for Special Surgery (affiliated with The New York Hospital and Cornell University Medical College), New York, N.Y. 10021

J Biomech Eng 105(1), 20-23 (Feb 01, 1983) (4 pages) doi:10.1115/1.3138379 History: Received August 02, 1982; Online June 15, 2009

Abstract

The soft tissue attenuation of acoustic emission signals was measured by transmitting pulses through volunteers and measuring the decay of the waveform characteristics of the pulse as a function of the thickness of the interposed tissue. Waveform characteristics of the received signal (signal duration, number of counts, peak amplitude, energy, and rise time) demonstrated an exponential decrease with increasing tissue thickness. The decrease appeared insensitive to the frequency of the pulse within the range of 50 to 600 KHz.

Copyright © 1983 by ASME
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