. Author manuscript; available in PMC: 2009 Jun 8.

Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2008 Aug;55(8):1705–1718. doi: 10.1109/TUFFC.2008.856

TABLE I.

CR Values for Selected Regions.

	Pre-focal (0,52.2)	Post-focal (0,152.2)	Left (−32.2,100)	Right (32.2,100)
Without Gain
Compensation	20.3 dB	18.5 dB	2.45 dB	2.74 dB
With Gain
Compensation	4.5 dB	3.6 dB	0.28 dB	0.22 dB