Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Subbottom profiling using a ship towed line array and geoacoustic inversion.

T C Yang1, Kwang Yoo, L T Fialkowski

  • 1Naval Research Laboratory, 4555 Overlook Ave., Washington, DC 20375, USA. yang@wave.nrl.navy.mil

The Journal of the Acoustical Society of America
|February 6, 2008
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Chemical exposome patterns in mothers and children across urbanisation levels in five European birth cohorts.

Journal of exposure science & environmental epidemiology·2026
Same author

A simple method for moving source depth estimation applied to the SWellEx96 data.

JASA express letters·2022
Same author

[Effectiveness of the "14 plus 7 day quarantine" and "nucleic acid plus total antibody testing" strategy for screening imported patients with COVID-19 in Xiamen].

Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi·2021
Same author

Beam-time delay domain deconvolved scheme for high-resolution active localization of underwater targets.

The Journal of the Acoustical Society of America·2020
Same author

Deconvolution of decomposed conventional beamforming.

The Journal of the Acoustical Society of America·2020
Same author

Matched beam-intensity processing for a deep vertical line array.

The Journal of the Acoustical Society of America·2020
Same journal

Interaction of near-wall bubble arrays with acoustic waves induced by an oscillating rigid wall.

The Journal of the Acoustical Society of America·2026
Same journal

Ultra-broadband underwater acoustic projector based on transverse resonance orthogonal beam (TROB) mode and acoustic matching layer technique.

The Journal of the Acoustical Society of America·2026
Same journal

Fine-scale quantitative analysis of bowhead whale (Balaena mysticetus) song shows varying stability of song types.

The Journal of the Acoustical Society of America·2026
Same journal

High-resolution depth estimation for multiple wideband sources in deep sea via sparse Bayesian learninga).

The Journal of the Acoustical Society of America·2026
Same journal

Depression markers in speech: An approach based on tract variables dynamics.

The Journal of the Acoustical Society of America·2026
Same journal

The oyster toadfish (Opsanus tau) alters active and diurnal calling amid vessel noise in New York City.

The Journal of the Acoustical Society of America·2026
See all related articles

This study introduces a new subbottom profiling method using ship-towed acoustic arrays. The technique enhances geoacoustic inversion by analyzing time-angle data, improving subbottom structure estimation.

Area of Science:

  • Oceanography
  • Geophysics
  • Acoustics

Background:

  • Traditional bottom profiling relies on broadband signals and line arrays for subbottom structure and thickness estimation.
  • Ship-towed line-array systems offer efficient wide-area coverage for estimating bottom properties via geoacoustic inversion.
  • Existing methods require prior subbottom information, risking ambiguous or erratic solutions without it.

Purpose of the Study:

  • To develop and apply a novel subbottom profiling method using ship-towed line arrays.
  • To estimate subbottom layer structure and thickness more accurately.
  • To address the ambiguity and erratic solutions in geoacoustic inversion by providing necessary prior information.

Main Methods:

  • Utilizing a ship-towed line array and a ship-towed source for acoustic data acquisition.

Related Experiment Videos

  • Applying geoacoustic inversion techniques to the collected acoustic data.
  • Employing beamforming to analyze the time-angle relation of acoustic signals.
  • Investigating the tau-p (time-intercept and slowness) relation of the bottom.

    • Main Results:

    • The developed method successfully estimates subbottom layer structure and thickness.
    • Time-angle analysis of acoustic data provides essential prior information for geoacoustic inversion.
    • This approach mitigates ambiguity and erratic parameter resolution in wide-area surveys.
    • The tau-p relation and bottom reflection coefficients at discrete angles are sufficient for unique geoacoustic bottom determination at low frequencies (<1 kHz).

    Conclusions:

    • The novel subbottom profiling method effectively utilizes ship-towed acoustic array data.
    • Time-angle analysis is crucial for enhancing geoacoustic inversion accuracy and reliability.
    • This technique enables unique determination of geoacoustic bottom properties, particularly at low frequencies.