Propagation of sound from a moving air-borne source in the ice-covered ocean

S. M. Grudskij, O. A. Obrezanova, V. S. Rabinovich

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3 Citas (Scopus)

Resumen

The paper discusses the propagation of sound from a moving air-borne source in an ice-covered ocean. The ocean is visualized as a stratified liquid layer, the ocean floor and the air, as homogeneous half-spaces. The water-covering ice is modeled by a homogeneous elastic layer. The acoustic field is assumed to be set up by a narrowband point source, nonuniformly moving through the air half-space at a subsonic velocity. Asymptotic formulas are derived for the field due to the moving source. They take into account all of the field components, such as the normal modes, the lateral ocean-floor mode, and the air-borne mode. The asymptotic formulas are developed in terms of the large parameter λ, which characterizes the slow changes in the source's amplitude and velocity.

Idioma originalInglés
Páginas (desde-hasta)191-196
Número de páginas6
PublicaciónAkusticheskij Zhurnal
Volumen42
N.º2
EstadoPublicada - mar. 1996
Publicado de forma externa

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