Numerical method for computing multipath interference in a time-varying medium

Harry A Deferrari

doi:10.1121/1.1914477

Numerical method for computing multipath interference in a time-varying medium

Harry A Deferrari

Ocean Sciences

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Ray-model simulations of multipath interference of CW signals require precise computation of travel times along the paths between source and receiver. The travel times for each ray path must be known with sufficient precision to resolve the phase of the arrival. The effects of time-varying sound-speed profiles can then be simulated by allowing the state of the medium to change slightly for each multipath summation. This letter is concerned with a numerical method for making such computations.

Original language	English (US)
Pages (from-to)	1757-1759
Number of pages	3
Journal	Journal of the Acoustical Society of America
Volume	54
Issue number	6
DOIs	https://doi.org/10.1121/1.1914477
State	Published - 1973

ASJC Scopus subject areas

Acoustics and Ultrasonics
Arts and Humanities (miscellaneous)

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abstract = "Ray-model simulations of multipath interference of CW signals require precise computation of travel times along the paths between source and receiver. The travel times for each ray path must be known with sufficient precision to resolve the phase of the arrival. The effects of time-varying sound-speed profiles can then be simulated by allowing the state of the medium to change slightly for each multipath summation. This letter is concerned with a numerical method for making such computations.",

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