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. Author manuscript; available in PMC: 2017 Sep 4.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2016 Mar 4;63(5):691–702. doi: 10.1109/TUFFC.2016.2538719

TABLE I. Default Values of Processing Parameters.

Symbol Quantity Value
Δ z data block length 10 mm
NS number of data segments per block of
sample data		 40
NR number of data segments per block of
reference data		 40
σ t standard deviation of the transmit pulse
spectrum and the Gaussian filter		 1 MHz
L number of axially consecutive data
blocks used for linear regression of the
frequency shifts		 5