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. Author manuscript; available in PMC: 2019 Oct 1.
Published in final edited form as: IEEE Trans Biomed Circuits Syst. 2018 Sep 20;12(5):1100–1111. doi: 10.1109/TBCAS.2018.2871470

Fig. 15.

Fig. 15.

Calculated total US link efficiency, ηus, using (1) for a spherically focused TX with an a of 2 cm across different RX widths at depths of 6 cm and 10 cm. Solid line is optimized with FP and dash line is with GM.