Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Distance Measurements by Taping

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...

Linear Approximation in Frequency Domain

Linear Approximation in Frequency Domain

Linear systems are characterized by two main properties: superposition and homogeneity. Superposition allows the response to multiple inputs to be the sum of the responses to each individual input. Homogeneity ensures that scaling an input by a scalar results in the response being scaled by the same scalar.
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....

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

Search research articles

Related Experiment Video

Updated: Apr 1, 2026

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

Source depth estimation based on synthetic aperture beamfoming for a moving source.

¹College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, 310058, China.

The Journal of the Acoustical Society of America

|October 3, 2015

Summary

This summary is machine-generated.

This study presents a novel method for estimating underwater source depth using synthetic aperture beamforming from a single hydrophone. The technique leverages Doppler shift and phase correction for accurate acoustic source localization.

More Related Videos

Determining 3D Flow Fields via Multi-camera Light Field Imaging

Determining 3D Flow Fields via Multi-camera Light Field Imaging

Published on: March 6, 2013

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

Published on: March 13, 2017

Related Experiment Videos

Last Updated: Apr 1, 2026

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

Determining 3D Flow Fields via Multi-camera Light Field Imaging

Determining 3D Flow Fields via Multi-camera Light Field Imaging

Published on: March 6, 2013

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

Published on: March 13, 2017

Area of Science:

Ocean Acoustics
Signal Processing
Underwater Acoustics

Background:

Underwater acoustic source localization is crucial for various applications.
Traditional methods often require multiple sensors or detailed environmental knowledge.
Moving sources introduce complexities in signal analysis.

Purpose of the Study:

To develop a method for estimating underwater source depth using a single hydrophone and synthetic aperture beamforming.
To address challenges posed by moving sources and environmental fluctuations.
To enable source depth estimation with minimal prior acoustic environmental data.

Main Methods:

Synthetic aperture beamforming utilizing the motion of the acoustic source.
Doppler shift estimation to determine range increment (aperture).
Phase correction using a phase-locked loop to mitigate random phase components.
Source depth estimation from beamformed output, with and without environmental data.

Main Results:

Successful estimation of source depth using simulated and at-sea data.
Demonstrated effectiveness of Doppler shift for aperture determination.
Validation of phase-locked loop for handling real-world signal complexities.
Source depth estimation is achievable even with limited knowledge of the acoustic environment.

Conclusions:

The proposed synthetic aperture beamforming method offers a robust approach to underwater source depth estimation.
The technique is effective for continuous wave signals from moving sources.
The method's reliance on a single hydrophone and adaptability to environmental noise make it a valuable tool.