Target localization through a data-based sensitivity kernel: A perturbation approach applied to a multistatic configuration - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of the Acoustical Society of America Année : 2014

Target localization through a data-based sensitivity kernel: A perturbation approach applied to a multistatic configuration

Résumé

A method to isolate the forward scattered field from the incident field on an object in a complex environment is developed for the purpose of localization. The method is based on a finite-frequency perturbation approach, through the measurement of a data-based sensitivity kernel. Experimental confirmation of the method is obtained using a cylindrical tank and an aggregate of ping-pong balls as targets surrounded by acoustic sources and receivers in a multistatic configuration. The spatial structure of the sensitivity kernel is constructed from field data for the target at a sparse set of positions, and compared with the expected theoretical structure. The localization of one or a few targets is demonstrated using the direct-path only. The experimental observations also show that the method benefits from including later arrivals from the tank wall and the bottom/surface reverberation, which indeed enhance the localization.
Fichier non déposé

Dates et versions

hal-01128157 , version 1 (09-03-2015)

Identifiants

Citer

Selda Yildiz, Philippe Roux, Sandrine T. Rakotonarivo, Christian Marandet, W. A. Kuperman. Target localization through a data-based sensitivity kernel: A perturbation approach applied to a multistatic configuration. Journal of the Acoustical Society of America, 2014, pp.1800-1807. ⟨10.1121/1.4868362⟩. ⟨hal-01128157⟩
106 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More