Application of Warping Transform for the Analysis of the Acoustic Mode Coupling due to a Local Inhomogeneity in Shallow Water

Lunkov, A. A.; Shermeneva, M. A.

doi:10.3103/s1541308x23060067

Phys. Wave Phen.

2023

DOI: 10.3103/s1541308x23060067

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Application of Warping Transform for the Analysis of the Acoustic Mode Coupling due to a Local Inhomogeneity in Shallow Water

A. A. Lunkov,

M. A. Shermeneva

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2024

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Cited by 2 publications

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Estimation of the Distance to a Local Inhomogeneity on an Acoustic Path in Shallow Water in the Presence of Background Disturbances

Lunkov,

Shermeneva

2024

Acoust. Phys.

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Estimation of the Distance to a Local Inhomogeneity on an Acoustic Path in Shallow Water in the Presence of Background Disturbances

Lunkov,

Shermeneva

2024

Acoust. Phys.

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Estimation of the Distance to a Concentrated Inhomogeneity on an Acoustic Path in a Shallow Sea in the Presence of Background Disturbances

Lunkov,

Shermeneva

2024

Akustičeskij žurnal

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We consider the problem of estimating the position of a concentrated inhomogeneity on a stationary acoustic path organized between a single sound source and a vertical receiving antenna in a shallow waveguide in the presence of background disturbances. A local bottom rise and a soliton-like internal wave are chosen as model inhomogeneities. It is proposed to determine the distance from the source to the inhomogeneity by cepstral analysis of the amplitude of the first waveguide mode isolated on the antenna, with preliminary deformation of the frequency axis. Using numerical modeling, the stability of this approach is studied in the presence of several concentrated inhomogeneities or additional disturbances: bottom slope, background internal waves, wind waves, bottom irregularities. Estimates of the signal-to-noise ratio required to implement the proposed approach are provided.

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Application of Warping Transform for the Analysis of the Acoustic Mode Coupling due to a Local Inhomogeneity in Shallow Water

Cited by 2 publications

References 21 publications

Estimation of the Distance to a Local Inhomogeneity on an Acoustic Path in Shallow Water in the Presence of Background Disturbances

Estimation of the Distance to a Local Inhomogeneity on an Acoustic Path in Shallow Water in the Presence of Background Disturbances

Estimation of the Distance to a Concentrated Inhomogeneity on an Acoustic Path in a Shallow Sea in the Presence of Background Disturbances

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