Articles with "vector hydrophone" as a keyword



Design and implementation of a drumstick-shaped ciliated vector hydrophone

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Published in 2025 at "Sensor Review"

DOI: 10.1108/sr-03-2025-0153

Abstract: This paper aims to solve the problem of weak vector hydrophone detection ability and narrow working frequency band by developing a drumstick-shaped cilia MEME vector hydrophone (DSVH) through the optimization of the bionic cilia structure… read more here.

Keywords: drumstick shaped; vector hydrophone; hydrophone; cilia ... See more keywords

A Very Low-Frequency 3-D Vector Hydrophone Based on an Electrochemical Vibration Sensor

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Published in 2025 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2025.3537610

Abstract: Typically, hydrophones are used to monitor hydroacoustic signals generated by ocean activity. However, it is challenging to achieve detection in the lower frequency bands with existing hydrophones due to their low sensitivity in the tens… read more here.

Keywords: vector hydrophone; vibration sensor; electrochemical vibration; hydrophone ... See more keywords

Design and Implementation of a 3-D Vector Hydrophone With Half-Wheatstone Bridge

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Published in 2025 at "IEEE Sensors Journal"

DOI: 10.1109/jsen.2025.3551445

Abstract: Three-dimensional microelectromechanical system (MEMS) vector hydrophones offer advantages such as single-point observation, high sensitivity, strong low-frequency detection capabilities, and excellent directionality. However, there remains potential for optimizing the structural dimensions. To achieve further miniaturization, this… read more here.

Keywords: vector hydrophone; hydrophone; wheatstone bridge; half wheatstone ... See more keywords

Influence of beat phenomenon on direction of arrival estimation based on a single vector hydrophone

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Published in 2017 at "Journal of the Acoustical Society of America"

DOI: 10.1121/1.4988087

Abstract: The vector hydrophone can measure sound pressure and orthogonal components of particle velocity co-locately in space and simultaneously in time. DOA (direction of arrival) estimation based on a single vector hydrophone has attracted extensive attention.… read more here.

Keywords: vector hydrophone; estimation; beat phenomenon;

Three-component homovibrational vector hydrophone based on fiber Bragg grating F-P interferometry.

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Published in 2018 at "Applied optics"

DOI: 10.1364/ao.57.009195

Abstract: A fiber optic vector hydrophone is an interesting topic for many applications. Using a fiber Bragg grating (FBG) as a reflection unit, the vector hydrophone combines the advantages of miniaturization, high reliability, and low cost.… read more here.

Keywords: vector; fiber bragg; vector hydrophone; bragg grating ... See more keywords

A MEMS-Based Co-Oscillating Electrochemical Vector Hydrophone

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Published in 2022 at "Micromachines"

DOI: 10.3390/mi13010143

Abstract: Aiming at the development needs of low-frequency and high-sensitivity vector hydrophones, this paper has developed a micro-electro-mechanical system (MEMS) based co-oscillating electrochemical vector hydrophone. We obtained the optimized geometric parameters through simulation analysis of the… read more here.

Keywords: vector hydrophone; oscillating electrochemical; based oscillating; vector ... See more keywords

Research on Direction of Arrival Estimation Based on Self-Contained MEMS Vector Hydrophone

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Published in 2022 at "Micromachines"

DOI: 10.3390/mi13020236

Abstract: A self-contained MEMS vector hydrophone with a scalar–vector integrated design is proposed in this paper. Compared with traditional MEMS vector hydrophones, this design solves the problem of ambiguity in the port and starboard during orientation,… read more here.

Keywords: self contained; mems vector; vector hydrophone; contained mems ... See more keywords

Dimension Reduction Localization Algorithm of Mixed Sources Based on MEMS Vector Hydrophone Array

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Published in 2022 at "Micromachines"

DOI: 10.3390/mi13040626

Abstract: In this paper, a mixed sources dimension reduction Multiple Signal Classification (MUSIC) localization algorithm suitable for Micro-Electro-Mechanical System (MEMS) vector hydrophone linear arrays is proposed, which reduces the two-dimensional search to one-dimensional local search. Firstly,… read more here.

Keywords: mems vector; dimension reduction; vector hydrophone; localization algorithm ... See more keywords

Design and Implementation of a Four-Unit Array Piezoelectric Bionic MEMS Vector Hydrophone

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Published in 2024 at "Micromachines"

DOI: 10.3390/mi15040524

Abstract: High-performance vector hydrophones have been gaining attention for underwater target-monitoring applications. Nevertheless, there exists the mutual constraint between sensitivity and bandwidth of a single hydrophone. To solve this problem, a four-unit array piezoelectric bionic MEMS… read more here.

Keywords: unit; unit array; vector hydrophone; mems vector ... See more keywords