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. Author manuscript; available in PMC: 2010 Mar 21.
Published in final edited form as: Ultrasound Med Biol. 2008 May 1;34(9):1449–1464. doi: 10.1016/j.ultrasmedbio.2008.02.004

Fig. 7.

Fig. 7

(a) Plot of R(t) versus time t estimated from a RF data set acquired in the alginate phantom. The straight line represents a least squares linear fit to the data points. (b) Plot of the mean value of R(t) versus t from data collected in five independent phantom samples. The error bars represent the standard deviation in R(t).