A spherical expansion for audio sounds generated by a circular parametric array loudspeaker
Volume: 147, Issue: 5, Pages: 3502 - 3510
Published: May 1, 2020
Abstract
The existing non-paraxial expression of audio sounds generated by a parametric array loudspeaker (pal) is hard to calculate due to the fivefold integral in it. A rigorous solution of the Westervelt equation under the quasilinear approximation is developed in this paper for circular PALs by using the spherical harmonics expansion, which simplifies the expression into a series of threefold summations with uncoupled angular and radial components....
Paper Details
Title
A spherical expansion for audio sounds generated by a circular parametric array loudspeaker
Published Date
May 1, 2020
Volume
147
Issue
5
Pages
3502 - 3510
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