Geoacoustic inversion based on modal dispersion curve for range-dependent environment

Xiao Le Guo; Kun De Yang; Yuan Liang Ma; Qiu Long Yang

doi:10.1088/0256-307X/32/12/124302

Geoacoustic inversion based on modal dispersion curve for range-dependent environment

Xiao Le Guo, Kun De Yang, Yuan Liang Ma, Qiu Long Yang

Ocean Institute

Northwestern Polytechnical University Xian

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

11 Scopus citations

Abstract

A geoacoustic inversion method is proposed based on the modal dispersion curve of two-wideband explosive signals for range-dependent environment. It is applied to the wideband explosive sound source data from the South China Sea in 2012. The travel time differences of different modes at various frequencies and distances are extracted by warping transform. The mean bottom acoustic parameters are inverted by matching the theoretical modal time differences to that of the experimental data. The inversion results are validated by using other explosive signals at different distances.

Original language	English
Article number	124302
Journal	Chinese Physics Letters
Volume	32
Issue number	12
DOIs	https://doi.org/10.1088/0256-307X/32/12/124302
State	Published - 1 Dec 2015

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title = "Geoacoustic inversion based on modal dispersion curve for range-dependent environment",

abstract = "A geoacoustic inversion method is proposed based on the modal dispersion curve of two-wideband explosive signals for range-dependent environment. It is applied to the wideband explosive sound source data from the South China Sea in 2012. The travel time differences of different modes at various frequencies and distances are extracted by warping transform. The mean bottom acoustic parameters are inverted by matching the theoretical modal time differences to that of the experimental data. The inversion results are validated by using other explosive signals at different distances.",

author = "Guo, {Xiao Le} and Yang, {Kun De} and Ma, {Yuan Liang} and Yang, {Qiu Long}",

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AU - Guo, Xiao Le

AU - Yang, Kun De

AU - Ma, Yuan Liang

AU - Yang, Qiu Long

PY - 2015/12/1

Y1 - 2015/12/1

N2 - A geoacoustic inversion method is proposed based on the modal dispersion curve of two-wideband explosive signals for range-dependent environment. It is applied to the wideband explosive sound source data from the South China Sea in 2012. The travel time differences of different modes at various frequencies and distances are extracted by warping transform. The mean bottom acoustic parameters are inverted by matching the theoretical modal time differences to that of the experimental data. The inversion results are validated by using other explosive signals at different distances.

AB - A geoacoustic inversion method is proposed based on the modal dispersion curve of two-wideband explosive signals for range-dependent environment. It is applied to the wideband explosive sound source data from the South China Sea in 2012. The travel time differences of different modes at various frequencies and distances are extracted by warping transform. The mean bottom acoustic parameters are inverted by matching the theoretical modal time differences to that of the experimental data. The inversion results are validated by using other explosive signals at different distances.

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JO - Chinese Physics Letters

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Geoacoustic inversion based on modal dispersion curve for range-dependent environment

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