Acoustic imaging with spherical microphone array and Kriging

Type de document

Études primaires

Année de publication

2023

Langue

Anglais

Titre de la revue

JASA Express Letters

Résumé

Acoustic imaging can be performed using a spherical microphone array (SMA) and conventional beamforming (CBF) or spherical harmonic beamforming (SHB). At low frequencies, the mainlobe width depends on the SMA radius for CBF and on the order of the spherical harmonics expansion for SHB, which is related to the number of microphones. In this letter, Kriging is used to virtually increase the SMA radius and/or the number of microphones. Numerical and experimental investigations show the effectiveness of Kriging to reduce the mainlobe width and thus improve the acoustic images obtained with a SMA and CBF or SHB. © 2023 Author(s)

Mots-clés

Acoustique, Acoustique, Microphone, Bruit, Noise

Numéro de projet IRSST

2018-0026

Ce document n'est pas disponible pour le moment.

Plum Print visual indicator of research metrics
PlumX Metrics
  • Citations
    • Citation Indexes: 5
  • Usage
    • Abstract Views: 6
  • Captures
    • Readers: 7
see details

Partager

COinS