. Author manuscript; available in PMC: 2012 Aug 1.

Published in final edited form as: Ultrasonics. 2011 Mar 23;51(6):758–767. doi: 10.1016/j.ultras.2011.03.004

Table 1.

Acoustic properties of different numerical reference and sample phantoms simulated

Case	Acoustic Property	Sample Phantom	Reference Phantom
(1)	Speed of Sound (m/s)	1480 1500 1520 1540 1560 1580 1600	1540
	Attenuation Coefficient (dB/cm/MHz)	0.5	0.5
	Scatterer Number Density (number /mm³)	10	10
(2)	Speed of Sound (m/s)	1540	1480 1500 1520 1540 1560 1580 1600
	Attenuation Coefficient (dB/cm/MHz)	0.3 0.4 0.5 0.6 0.7	0.5
	Scatterer Number Density (number /mm³)	10	10
(3)	Speed of Sound (m/s)	1480 1500 1520 1540 1560 1580 1600	1540
	Attenuation Coefficient (dB/cm/MHz)	0.3 0.5 0.7	0.3 0.5 0.7
	Scatterer Number Density (number /mm³)	5 10 20	10