MODAL ARRAY SIGNAL PROCESSING :
Collection : Lecture Notes in Control and Information Sciences. Mention d'édition :1st ed. Publié par : Springer, ([S.l.] :) Détails physiques : 253 p. ; 24 cm. ISBN :3540408932; 9783540408932.Type de document | Site actuel | Cote | Statut | Date de retour prévue | Code à barres | Réservations |
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Livre | La bibliothèque des sciences de l'ingénieur | 621 TEU (Parcourir l'étagère) | Disponible | 0000000006859 |
Many applications of acoustic signal processing, such as teleconferencing and surveillance systems, require an estimate of several parameters present in the observed acoustic wavefield. The most important parameters are the number as well as the location of active acoustic sources. This book deals with the problem of detecting and localizing multiple simultaneously active wideband acoustic sources by applying the notion of wavefield decomposition using circular and spherical microphone arrays. The decomposed wavefield representation is used to serve as a basis for so-called modal array signal processing algorithms, which have the significant advantage over classical array signal processing algorithms that they inherently support multiple wideband acoustic sources. A rigorous derivation of modal array signal processing algorithms for unambiguous source detection and localization as well as performance evaluations by means of measurements using an actual real-time capable implementation are discussed.
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