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

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device01:30

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device

463
Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
463
Types of Global Positioning System Surveys01:30

Types of Global Positioning System Surveys

433
GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
433
Field Application of Global Positioning System01:28

Field Application of Global Positioning System

364
The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
364
Buoyancy and Stability for Submerged and Floating Bodies01:11

Buoyancy and Stability for Submerged and Floating Bodies

4.5K
In fluid mechanics, buoyancy and stability are key concepts for understanding the behavior of submerged and floating bodies. When a stationary body is fully or partially submerged in a fluid, the fluid exerts a force on the body known as the buoyant force. This force acts vertically upward through a point called the center of buoyancy, which is the center of the displaced fluid volume. According to Archimedes' principle, the magnitude of the buoyant force is equal to the weight of the fluid...
4.5K

You might also read

Related Articles

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

Sort by
Same author

Analysis of the Subculture Effect on the <i>Auricularia heimuer</i> Strain 'HWS1908' Based on Transcriptome.

Journal of fungi (Basel, Switzerland)·2026
Same author

3D Perception-Based Adaptive Point Cloud Simplification and Slicing for Soil Compaction Pit Volume Calculation.

Sensors (Basel, Switzerland)·2026
Same author

Research Progress of Laccase in Edible and Medicinal Fungi.

Journal of fungi (Basel, Switzerland)·2026
Same author

Atomically dispersed Ru on defective CdS for photocatalytic solar fuel production coupled with hydrazine degradation.

Materials horizons·2026
Same author

Real-Time Small UAV Detection in Complex Airspace Using YOLOv11 with Residual Attention and High-Resolution Feature Enhancement.

Journal of imaging·2026
Same author

A novel actinomycete, Streptomyces fugnipugnans sp. nov., with potent antifungal activity against Colletotrichum orbiculare.

BMC microbiology·2026
Same journal

RETRACTED: Zhang et al. A Novel Framework for Reconstruction and Imaging of Target Scattering Centers via Wide-Angle Incidence in Radar Networks. <i>Sensors</i> 2025, <i>25</i>, 6802.

Sensors (Basel, Switzerland)·2026
Same journal

Enhancing Unsupervised Multi-Source Domain Adaptation for Person Re-Identification via Mixture of Experts and Graph-Based Relation.

Sensors (Basel, Switzerland)·2026
Same journal

Development of an Instrumented Glove for Palmar Pressure Assessment in Kayakers.

Sensors (Basel, Switzerland)·2026
Same journal

Development and Experimental Validation of an Autonomous IoT-Based Monitoring System for Real-Time Water Quality Assessment in the Amazon River.

Sensors (Basel, Switzerland)·2026
Same journal

Semi-Supervised Adversarial Learning Framework for Controller Area Network Bus Intrusion Detection.

Sensors (Basel, Switzerland)·2026
Same journal

Smart Optimization Method for Safety Signs in Innovative Manufacturing Environments Integrating Industrial Field IoT Sensors and Knowledge Graphs.

Sensors (Basel, Switzerland)·2026
See all related articles

Related Experiment Video

Updated: Mar 29, 2026

Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools
09:32

Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools

Published on: November 20, 2017

9.9K

Research on AUV Underwater Localization Method Based on an n-Shaped Array.

Chuang Han1,2, Mengran Gao1, Tao Shen1

  • 1School of Measurement-Control Technology and Communication Engineering, Harbin University of Science and Technology, Harbin 150080, China.

Sensors (Basel, Switzerland)
|March 28, 2026
PubMed
Summary
This summary is machine-generated.

Accurate autonomous underwater vehicle (AUV) localization for recovery is achieved using a novel n-shaped hydrophone array. This method combines spatial smoothing, MUSIC, and SAGE algorithms for precise underwater navigation and positioning.

Keywords:
MUSIC algorithmSAGE algorithmcoherent signalsfar-field localizationn-shaped arraynear-field source localization

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

8.2K
Long-term Video Tracking of Cohoused Aquatic Animals: A Case Study of the Daily Locomotor Activity of the Norway Lobster Nephrops norvegicus
05:57

Long-term Video Tracking of Cohoused Aquatic Animals: A Case Study of the Daily Locomotor Activity of the Norway Lobster Nephrops norvegicus

Published on: April 8, 2019

7.3K

Related Experiment Videos

Last Updated: Mar 29, 2026

Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools
09:32

Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools

Published on: November 20, 2017

9.9K
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

8.2K
Long-term Video Tracking of Cohoused Aquatic Animals: A Case Study of the Daily Locomotor Activity of the Norway Lobster Nephrops norvegicus
05:57

Long-term Video Tracking of Cohoused Aquatic Animals: A Case Study of the Daily Locomotor Activity of the Norway Lobster Nephrops norvegicus

Published on: April 8, 2019

7.3K

Area of Science:

  • Robotics
  • Underwater Acoustics
  • Signal Processing

Background:

  • Accurate localization of autonomous underwater vehicles (AUVs) is critical for their recovery by a mother ship via underwater hangars.
  • Underwater acoustic signals suffer from multipath propagation and interference, complicating localization.
  • Existing methods may lack accuracy in complex underwater acoustic environments.

Purpose of the Study:

  • To develop an effective method for precise AUV localization relative to a mother ship.
  • To design an n-shaped hydrophone array optimized for underwater hangar spatial configurations.
  • To improve the accuracy of underwater acoustic source localization, extending from far-field to near-field scenarios.

Main Methods:

  • Design of an n-shaped hydrophone array tailored to underwater hangar geometry.
  • Application of spatial smoothing to x-axis and y-axis subarrays.
  • Joint construction of received data vectors and eigenvalue decomposition of covariance matrices.
  • Utilizing the Multiple Signal Classification (MUSIC) algorithm for initial angle estimation.
  • Employing the Space-Alternating Generalized Expectation-maximization (SAGE) algorithm for refined angular parameter optimization.
  • Extension of the localization method to near-field scenarios.

Main Results:

  • The proposed n-shaped hydrophone array facilitates accurate AUV localization.
  • The combined MUSIC and SAGE algorithm approach significantly enhances estimation accuracy.
  • The method demonstrates robust performance in parameter estimation for underwater acoustic localization.
  • Successful extension of the algorithm from far-field to near-field localization scenarios.

Conclusions:

  • The developed n-shaped hydrophone array and localization algorithm provide a viable solution for AUV recovery.
  • The proposed method effectively addresses challenges posed by underwater acoustic signal impairments.
  • This approach offers improved accuracy and robustness for underwater navigation and positioning systems.