A concave annular array design, based on phasor summation--Part II: Beam profiles and resultant images by B-scan and synthetic focus methods.
Ultrason Imaging
; 10(4): 287-97, 1988 Oct.
Article
em En
| MEDLINE
| ID: mdl-3074552
ABSTRACT
A brief review of the synthetic focusing method is given. The theoretical limit of resolution that may be achieved with the synthetic focusing methods is demonstrated using experimental results on a thin thread obtained with an annular array whose design was given in Part I. The advantage of large aperture arrays is illustrated by an in vitro reflection image of a dog artery, made with this array, that has at least four times the spatial resolution of present clinical B-scanners operating in the same frequency range.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Ultrassonografia
Tipo de estudo:
Diagnostic_studies
Limite:
Animals
Idioma:
En
Revista:
Ultrason Imaging
Ano de publicação:
1988
Tipo de documento:
Article