Skip to main content
. Author manuscript; available in PMC: 2019 Nov 1.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2018 Sep 12;65(11):2042–2053. doi: 10.1109/TUFFC.2018.2869810

Fig. 1.

Fig. 1.

At each ROI zj, different values of αk, bl, and nm are explored. To simplify illustration, only α is shown in this figure.