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. Author manuscript; available in PMC: 2007 Dec 6.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2006 Jun;53(6):1150–1159. doi: 10.1109/tuffc.2006.1642513

Fig. 2.

Fig. 2

Simulated acoustic field produced by a circular piston with radius a = 0.6 mm. The Schoch integral, evaluated with 100,000 Gauss abscissas at each point in space and time, generates this reference field for an input pulse with a center frequency f0 = 2.5 MHz.