Étude Numérique et Expérimentale de Méthodes d'Identification de Sources Intérieurs avec des Antennes de Microphones Circulaires
Mots-clés :
méthode d'identification de sources, antenne microphonique circulaire, formation de voie, méthodes inverse, déconvolutionRésumé
Cette étude évalue plusieurs méthodes d’identification de sources basées sur des antennes microphoniques circulaires, dans le cas de sources intérieures au réseau circulaire. Plusieurs techniques sont comparées, dont la formation de voie classique (CB), les méthodes inverses régularisées (régulariation de Tikhonov), la formation de voie inverse généralisée L1 (L1-GIB), les méthodes de déconvolution CLEAN-PSF, CLEAN-SC, ainsi que des méthodes plus récentes utilisant une régularisation par formation de voie (BFR). Pour mettre en évidence les avantages et désavantages de ces méthodes, plusieurs exemples d’application numériques et expérimentaux sont discutés. Lorsque des sources multiples doivent être identifiées, les résultats montrent que la méthode à choisir dépend de la corrélation, de la directivité et du niveau relatif des sources.
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