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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2012 Sep;59(9):2066–2076. doi: 10.1109/TUFFC.2012.2428

Fig. 11.

Fig. 11

Experimental Err3(η (k), a) curves corresponding to the first (left) and second (right) Sephadex sphere phantoms. The error fitting curves correspond to the 5, 7.5, 10, and 13 MHz transducers.