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. Author manuscript; available in PMC: 2010 Feb 1.
Published in final edited form as: Ultrasound Med Biol. 2009 Jun 10;35(8):1325ā€“1343. doi: 10.1016/j.ultrasmedbio.2009.01.013

Fig. 3.

Fig. 3

Simulation results over 1000 trials when SNR is varied from 5 dB to 40 dB. Plots display (a) RMS error, (b) standard deviation at acquisition 400 and (c) average decorrelation between consecutive echoes (average N to Nāˆ’1 decorrelation). Results are shown for the bandpass (BP) filter, complex PCF and combined bandpass filter and complex PCF techniques. The RF data filtering methods were applied in conjunction with either the N to Nāˆ’1 or N to 1 delay profile estimation technique.