Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/98354
Type: Artigo de evento
Title: Artifact-free Measurement Of Attenuation, Impedance And Dispersion.
Author: Costa E.T.
Hoddinott J.C.
Leeman S.
Abstract: A general method for minimizing measurement artifacts arising from diffraction is proposed. The theoretical basis of the method is presented in straightforward terms, and it is shown how the concepts may be implemented and applied to standard medical ultrasound transducers. Techniques for measuring attenuation and its frequency dependence, and the characteristic impedance (by reflectivity methods) are described. A novel method for measuring velocity dispersion is also suggested.
Editor: IEEE, New York, NY, USA
Rights: fechado
Identifier DOI: 
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0023011436&partnerID=40&md5=800ae0bd575bd1aeaa2caa785ab125b9
Date Issue: 1986
Appears in Collections:Unicamp - Artigos e Outros Documentos

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