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. Author manuscript; available in PMC: 2008 Apr 12.
Published in final edited form as: J Acoust Soc Am. 2004 May;115(5 Pt 1):1942–1954. doi: 10.1121/1.1687835

FIG. 3.

FIG. 3

Simulated acoustic field generated when 80 000-point Gauss quadrature is applied to the impulse response calculation described in Eq. (3) and represented by H1. The wavelength of the acoustic excitation is equal to λ, and the radius of the circular piston is a = 5λ. The spatial axes are normalized in the radial direction with respect to the piston radius a and in the axial direction with respect to a2/λ. This simulation result is the reference for all subsequent error calculations in Figs. 4, 6, and 8–11.