. Author manuscript; available in PMC: 2011 Jul 20.

Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2011 Apr;58(4):754–765. doi: 10.1109/TUFFC.2011.1868

TABLE III.

CNR of the anechoic lesions

Depth (cm)	Simulation	Fundamental CNR	Harmonic CNR
3.5	Homogeneous	1.25	1.64
	Abdominal Layer	0.48	0.54
	Isoimpedance	0.87	0.57
	Isovelocity	0.52	1.63

5	Homogeneous	1.86	2.07
	Abdominal Layer	1.45	1.39
	Isoimpedance	1.72	1.35
	Isovelocity	1.48	2.08