Directivity of weighted networks (source weighting)
Acoustic arrays of point sources

Article REF: TE5156 V1

Directivity of weighted networks (source weighting)
Acoustic arrays of point sources

Author : François DEFFARGES

Publication date: May 10, 2000, Review date: January 1, 2024 | Lire en français

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2. Directivity of weighted networks (source weighting)

2.1 General formulation of directivity

Consider a network of n point sources with volume flows q _i , spaced 2d apart (figure 2 ).

Note :

For consistency of scoring, and to make it easier to compare different results, n will always be odd.

The source of rank i with flow rate q _i radiates a pressure : $p_{i} (r) = j k ρ C q_{i} exp (- j k |$

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(1) - JOUHANEAU (J.) - Notions élémentaires d'acoustique. - Lavoisier (1994).
(2) - ROSSI (M.) - Électroacoustique. - Dunod (1986).
(3) - KEELE Jr (D.B.) - « Effective performance of Bessel...

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