Issue
J. Phys. IV France
Volume 04, Number C5, Mai 1994
3ème Congrés français d'acoustique
3rd French conference on acoustics
Page(s) C5-1043 - C5-1046
DOI https://doi.org/10.1051/jp4:19945228
3ème Congrés français d'acoustique
3rd French conference on acoustics

J. Phys. IV France 04 (1994) C5-1043-C5-1046

DOI: 10.1051/jp4:19945228

Estimation du front d'onde pour des sources à large bande de fréquence

A. ESSEBBAR

CEPHAG, URA 346 du CNRS, ENSIEG, BP. 46, 38402 Saint Martin d'Hères, France


Abstract
This paper present a parametric method that yields an estimate of directional-of-arrivals of multiple broad-band wavefronts impinging on a synthetic antenna. The method use the Maximum Likelihood Estimator applied on broad-band signals. The antenna is a synthetic one formed by a moving hydrophone. To improve the bearing estimation, we use a sliding spatial window along the antenna. We present a comparison with the MUSIC method on the basis of experimental underwater acoustic data.



© EDP Sciences 1994