. Author manuscript; available in PMC: 2016 Oct 7.

Published in final edited form as: Phys Med Biol. 2015 Sep 15;60(19):7499–7512. doi: 10.1088/0031-9155/60/19/7499

Table 1.

Independently measured (provided by the manufacturer) and estimated attenuations of five CIRS phantoms (unit: dB/cm/MHz)

Phantom No.	Independently measured	Test-1	Test-2	Test-3	Test-4	Test-5	Mean	SD
1	0.28	0.176	0.193	0.224	0.255	0.221	0.214	0.031
2	0.57	0.573	0.503	0.495	0.424	0.435	0.486	0.06
3	0.90	0.78	0.787	0.618	0.58	0.659	0.685	0.944
4	1.17	0.857	0.776	0.834	0.869	0.67	0.801	0.082
5	1.45	1.092	0.974	0.95	0.852	0.836	0.941	0.104