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 Concept Videos

Region of Convergence of Laplace Tarnsform01:20

Region of Convergence of Laplace Tarnsform

The Region of Convergence (ROC) is a fundamental concept in signal processing and system analysis, particularly associated with the Laplace transform. The ROC represents an area in the complex plane where the Laplace transform of a given signal converges, determining the transform's applicability and utility.
Consider a decaying exponential signal that begins at a specific time. When deriving its Laplace transform, the time-domain variable is replaced with a complex variable. This substitution...
Methods of Obtaining Topography01:25

Methods of Obtaining Topography

Topography involves measuring and mapping land elevations, natural features, and artificial structures to create accurate representations of the terrain. Topographic surveying relies on traditional and modern methods, each with distinct advantages and limitations.Traditional Surveying Methods:Transit stadia surveys and plane table surveys were widely used traditional surveying methods. These techniques relied on instruments like theodolites and stadia rods for measuring distances and angles,...
Magnetostatic Boundary Conditions01:28

Magnetostatic Boundary Conditions

An electric field suffers a discontinuity at a surface charge. Similarly, a magnetic field is discontinuous at a surface current. The perpendicular component of a magnetic field is continuous across the interface of two magnetic mediums. In contrast, its parallel component, perpendicular to the current, is discontinuous by the amount equal to the product of the vacuum permeability and the surface current. Like the scalar potential in electrostatics, the vector potential is also continuous...
Precipitation Gravimetry01:03

Precipitation Gravimetry

Precipitation gravimetry is based on converting an analyte into a sparingly soluble precipitate, which is separated by filtration and weighed. An ideal precipitate should be pure, insoluble, of known composition, and easily filtered from the reaction mixture.
In determining nickel by gravimetric analysis, a precipitant of ethanolic dimethylglyoxime is added to a hot nickel salt solution. This is quickly followed by the dropwise addition of dilute ammonia solution until precipitation occurs. A...
Distance Measurements by Taping01:18

Distance Measurements by Taping

Tapes are essential in surveying for accurate, durable, and short-distance measurements. Made from lightweight, nylon-coated steel, they offer flexibility and strength for rugged outdoor use. The nylon coating protects against rust and wear, extending the tape's life. Standard lengths, around 30 meters, are marked in meters and millimeters for precision.Surveyors select tapes based on site conditions and accuracy needs. Lightweight, nylon-coated tapes are commonly used for ease of handling and...
Influence of Earth's Curvature and Atmospheric Refraction on Leveling01:26

Influence of Earth's Curvature and Atmospheric Refraction on Leveling

During leveling, the Earth's curvature and atmospheric refraction introduce deviations in the line of sight from a true horizontal reference. When the line of sight is leveled, it remains perpendicular to the plumb line only at a single point. Beyond this, it deviates due to the Earth’s curvature, represented by the correction C. For a sight distance D, the deviation can be derived using the relationship:This relationship shows that the deviation increases quadratically with distance. Over a...

You might also read

Related Articles

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

Sort by
Same author

Mud sound speed profile constraints from sub-bottom arrival times.

JASA express letters·2026
Same author

Parallel tempering in trans-dimensional Bayesian geoacoustic inversion for high-information-content data and multi-parameter models.

JASA express letters·2025
Same author

Comparison and combination of matched-field and modal-dispersion inversion for seabed geoacoustic profiles at the New England Mud Patch

The Journal of the Acoustical Society of America·2025
Same author

Bayesian matched-field inversion for shear and compressional geoacoustic profiles at the New England Mud Patcha).

JASA express letters·2025
Same author

Phase of the seabed frequency-domain reflection coefficient: Measurements and modelinga).

JASA express letters·2025
Same author

Previously hidden landslide processes revealed using distributed acoustic sensing with nanostrain-rate sensitivity.

Nature communications·2024

Related Experiment Video

Updated: Jun 2, 2026

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example
08:45

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example

Published on: October 24, 2012

Sequential trans-dimensional Monte Carlo for range-dependent geoacoustic inversion.

Jan Dettmer1, Stan E Dosso, Charles W Holland

  • 1School of Earth and Ocean Sciences, University of Victoria, Victoria, British Columbia, Canada V8W 3P6. jand@uvic.ca

The Journal of the Acoustical Society of America
|April 12, 2011
PubMed
Summary
This summary is machine-generated.

This study introduces a novel sequential Monte Carlo algorithm for geoacoustic inversion, effectively handling complex seabed environments and rapid changes. The method accurately models seabed structures using trans-dimensional techniques for improved acoustic data analysis.

More Related Videos

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
07:14

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

Published on: May 1, 2018

Related Experiment Videos

Last Updated: Jun 2, 2026

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example
08:45

Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example

Published on: October 24, 2012

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
07:14

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

Published on: May 1, 2018

Area of Science:

  • Geophysics
  • Ocean Acoustics
  • Computational Science

Background:

  • Geoacoustic inversion is crucial for understanding seabed properties.
  • Traditional methods struggle with strongly range-dependent environments and rapid environmental changes.
  • Accurate geoacoustic models are essential for sonar performance and seismic exploration.

Purpose of the Study:

  • To develop a sequential trans-dimensional Monte Carlo algorithm for geoacoustic inversion.
  • To address challenges posed by rapid environmental variability and high information content in acoustic data.
  • To enable robust inversion in complex, range-dependent marine environments.

Main Methods:

  • Sequential trans-dimensional Monte Carlo algorithm.
  • Integration of particle filters with Markov chain Monte Carlo methods.
  • Bridging distributions using annealed importance sampling for efficient exploration of likelihood spaces.

Main Results:

  • The algorithm successfully performs geoacoustic inversions in a strongly range-dependent environment with simulated data.
  • Trans-dimensional partition modeling effectively determines model complexity based on data information content.
  • Annealed importance sampling efficiently handles distant or disjoint high-likelihood regions.

Conclusions:

  • The developed algorithm offers an efficient and robust approach for geoacoustic inversion in challenging marine settings.
  • The method accurately accounts for dynamic changes in seabed structure, including faults and channels.
  • This work advances the capability for real-time geoacoustic characterization using sequential data acquisition.