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Ultrasonic backscatter coefficients for weakly scattering, agar spheres in agar phantoms
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10.1121/1.3460109
/content/asa/journal/jasa/128/2/10.1121/1.3460109
http://aip.metastore.ingenta.com/content/asa/journal/jasa/128/2/10.1121/1.3460109

Figures

Image of FIG. 1.
FIG. 1.

Normalized histograms of combined sphere size measurements for the nominally sized (top), (middle), and (bottom) phantoms as a function of sphere diameter.

Image of FIG. 2.
FIG. 2.

Attenuation coefficient results for the 90–125, 125–150, and phantoms. The attenuation coefficients measurements were conducted at each laboratory using standard insertion loss techniques (Anderson et al., 2010) wherein at UIUC a broadband technique was used and at UW a narrow band technique was used.

Image of FIG. 3.
FIG. 3.

BSC results for the (top), (middle), and (bottom) phantoms. The BSC theory curves used the measured combined sphere diameter distributions with the three BSC theories.

Tables

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TABLE I.

Compositions of spheres and background material.

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TABLE II.

Means and standard deviations of agar spheres that were measured at UW and UIUC, as well as the combined results. Note that the sizing method was different for each group.

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TABLE III.

Transducer information for UIUC and UW BSC measurements.

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/content/asa/journal/jasa/128/2/10.1121/1.3460109
2010-08-01
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ultrasonic backscatter coefficients for weakly scattering, agar spheres in agar phantoms
http://aip.metastore.ingenta.com/content/asa/journal/jasa/128/2/10.1121/1.3460109
10.1121/1.3460109
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