. Author manuscript; available in PMC: 2018 Nov 2.

Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2017 May 23;64(8):1161–1174. doi: 10.1109/TUFFC.2017.2706189

TABLE I.

Comparison of values for standard speed phantom.

MATERIAL	Avg (m/s)	Std Dev	Percentage	Accepted Value (m/s)	#Std Devs
BACKGROUND	1448	5	0.35%	1445	0.6
HIGH SPEED	1567	20.6	1.31%	1566	0.0485
LOW SPEED	1409	8.3	0.59%	1406	0.3614
WATER	1511.4	2.4	0.16%	1511.9	-0.2083