Article | REF: TE5156 V1

Acoustic arrays of point sources

Author: François DEFFARGES

Publication date: May 10, 2000, Review date: January 1, 2024

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1. The point source

The point source is an infinitely small source .

In practice, a finite-dimensional source of any shape can be considered a point source as long as its largest dimension is always very small compared to the emitted wavelength (figure 1 ).

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The point source