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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2013 Mar;60(3):535–551. doi: 10.1109/TUFFC.2013.2595

Figure 4.

Figure 4

Simulated focal plane (x-y) VA excitation fields. All figures are independently normalized and displayed on a logarithmic scale for better visualization of the grating lobes. (a) Configuration 1, (b) Configuration 2, (c) Configuration 3, (d) Configuration 4, (e) Configuration 5, (f) Configuration 6.