Beamforming for measurements under disturbed propagation conditions using numerically calculated Green’s functions

Beamforming methods for sound source localization are usually based on free-field Green’s functions to model the sound propagation between source and microphones. This assumption is known to be incorrect for many industrial applications and the beamforming results can suffer from this inconsistency...

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Veröffentlicht in:	Journal of sound and vibration 2022-03, Vol.520, p.116638, Article 116638
Hauptverfasser:	Lehmann, Marius, Ernst, Daniel, Schneider, Marc, Spehr, Carsten, Lummer, Markus
Format:	Artikel
Sprache:	eng
Schlagworte:	Anechoic chambers Beamforming Boundary element method Disturbed sound propagation Evaluation Frequency domain analysis Green's functions Heat exchangers Industrial applications Loudspeakers Mathematical analysis Mathematical models Microphones Propagation Rotating disks Sound diffraction Sound localization Sound propagation Sound sources Steering Steering vector formulation Tailored Green’s functions Time domain analysis
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