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. Author manuscript; available in PMC: 2010 Apr 13.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2010;57(2):340–352. doi: 10.1109/TUFFC.2010.1414

Fig. 8.

Fig. 8

The percent standard deviation of the scatterer size estimates using (a) 5 μm assignment of imaginary values and (b) NaN assignment of imaginary value at 7cm (focus) depth and 11-wavelength window length vs. the number of independent A-lines averaged. The VFX9-4 transducer data were used for the curves. The theoretical values are calculated according to equation (5) assuming a rectangular window and equation (6).