Mode sign estimation to improve source depth estimation

Abstract

International audienceThis paper describes source depth estimation in shallow water environments using a Horizontal Line Array of hydro\-phones on the sea bottom. A method based on modal propagation, using mode amplitude modulus, has been proposed by Nicolas \cite{Nicolas06}. As knowledge of the sign of mode amplitudes can improve source depth estimation, we present a estimator of these signs and integrate them in the source depth estimation method. Results on real data are shown

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This paper was published in Hal - Université Grenoble Alpes.

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