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

Echo

Echo

The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case, then the...

Electronic Distance Measuring Instruments

Electronic Distance Measuring Instruments

Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short distances...

You might also read

Related Articles

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

Sort by

Same author

Caerin 1.1 and 1.9 inhibit glioblastoma growth associated with modulation of the ARHGAP26-β-catenin axis and enhancing intratumoral CD8+ T cell infiltration.

PloS one·2026

Same author

Traditional application, Chemical composition, Pharmacological effects, Quality control and Clinical application of Corydalis yanhusuo W. T. Wang dried Rhizome.

Journal of ethnopharmacology·2026

Same author

FcεRI+IgE+ monocytes are linked to atopy and allergic inflammation with distinct phenotypes and enhanced antiviral responses.

bioRxiv : the preprint server for biology·2026

Same author

An explainable machine learning model for predicting one-year osteoporosis risk: development and validation in a prospective cohort.

BMC musculoskeletal disorders·2026

Same author

Corrigendum to: GPX4 Inhibition Enhances the Antitumor Effect of PARP Inhibitor on Homologous Recombination Proficient Ovarian Cancer Cells.

Current cancer drug targets·2026

Same author

Eugenia caryophyllata Thunb.: A comprehensive review of the traditional uses, phytochemistry, pharmacology, and quality control.

Journal of ethnopharmacology·2026

Search research articles

Related Experiment Video

Updated: Jul 16, 2026

Wideband Optical Detector of Ultrasound for Medical Imaging Applications

Wideband Optical Detector of Ultrasound for Medical Imaging Applications

Published on: May 11, 2014

Localization error analysis for near-field hydro-acoustic detection with distributed fiber acoustic sensing.

Boqi Chen, Zhaoyong Wang, Yifan Liu

|August 13, 2025

Summary

Distributed fiber acoustic sensing (DAS) offers unique advantages for hydro-acoustic localization. This study analyzes DAS integral response errors, revealing impacts from detection aperture and cable distortion on localization accuracy.

More Related Videos

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

Published on: November 7, 2016

Three-Dimensional Ultrasonic Needle Tip Tracking with a Fiber-Optic Ultrasound Receiver

Three-Dimensional Ultrasonic Needle Tip Tracking with a Fiber-Optic Ultrasound Receiver

Published on: August 21, 2018

Related Experiment Videos

Last Updated: Jul 16, 2026

Wideband Optical Detector of Ultrasound for Medical Imaging Applications

Wideband Optical Detector of Ultrasound for Medical Imaging Applications

Published on: May 11, 2014

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

Fiber Optic Distributed Sensors for High-resolution Temperature Field Mapping

Published on: November 7, 2016

Three-Dimensional Ultrasonic Needle Tip Tracking with a Fiber-Optic Ultrasound Receiver

Three-Dimensional Ultrasonic Needle Tip Tracking with a Fiber-Optic Ultrasound Receiver

Published on: August 21, 2018

Area of Science:

Oceanography
Acoustics
Sensor Technology

Background:

Hydro-acoustic localization is crucial for underwater target detection.
Distributed fiber acoustic sensing (DAS) presents unique advantages over traditional methods.
Conventional array signal processing (ASP) faces challenges with DAS's integral response.

Purpose of the Study:

To analyze the specific localization errors introduced by DAS technology.
To investigate the impact of DAS's spatial integral response on accuracy.
To provide a theoretical foundation for improving underwater localization with DAS.

Main Methods:

Detailed error analysis of the DAS integral response.
Theoretical modeling and simulations to assess errors.
Experimental verification of simulated findings.

Main Results:

The spatial integral response of DAS introduces specific localization errors.
DAS detection aperture and cable shape distortion significantly affect localization accuracy.
Experimental results confirm the impact of these factors on hydro-acoustic detection.

Conclusions:

Understanding DAS integral response is key to mitigating localization errors.
This research lays the groundwork for advancing high-precision underwater target localization using DAS.
Further development of ASP methods tailored for DAS is recommended.