Joint model-order and robust doa estimation for underwater sensor arrays

U Hamid, S Wyne, NR Butt - Sensors, 2023 - mdpi.com
The direction-of-arrival (DoA) estimation algorithms have a fundamental role in target
bearing estimation by sensor array systems. Recently, compressive sensing (CS)-based …

An automatic search and energy-saving continuous tracking algorithm for underwater targets based on prediction and neural network

H Liu, B Xu, B Liu - Journal of Marine Science and Engineering, 2022 - mdpi.com
Underwater target search and tracking has become a technical hotspot in underwater
sensor networks (UWSNs). Unfortunately, the complex and changeable marine environment …

Symmetric connectivity of underwater acoustic sensor networks based on multi-modal directional transducer

G Qiao, Q Liu, S Liu, B Muhammad, M Wen - Sensors, 2021 - mdpi.com
Topology control is one of the most essential technologies in wireless sensor networks
(WSNs); it constructs networks with certain characteristics through the usage of some …

Small size array underwater acoustic doa estimation based on direction-dependent transmission response

J Li, F Tong, Y Zhou, Y Yang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
It has been recognized that the performance of the traditional direction of arrival (DOA)
estimation algorithms is highly dependent on array geometry parameters, especially the …

Direction-of-arrival estimation method based on neural network with temporal structure for underwater acoustic vector sensor array

Y Xie, B Wang - Sensors, 2023 - mdpi.com
Acoustic vector sensor (AVS) is a kind of sensor widely used in underwater detection.
Traditional methods use the covariance matrix of the received signal to estimate the …

A full-duplex directional MAC framework for underwater acoustic sensor networks

Q Liu, G Qiao, S Mazhar, S Liu, Y Lou - IEEE Sensors Journal, 2022 - ieeexplore.ieee.org
Underwater acoustic communication plays an essential role in underwater wireless
information exchange, and nodes with such an ability constitute an underwater acoustic …

Direction-of-arrival estimation based on sparse representation of fourth-order cumulants

C Xing, S Dong, Z Wan - IEEE Access, 2023 - ieeexplore.ieee.org
The actual underwater environmental noise is often spatial colored, which results in severe
degradation of the performance of the underwater direction of arrival (DOA) estimation …

A Sparse Bayesian Learning Method for Direction of Arrival Estimation in Underwater Maneuvering Platform Noise

Y Wang, L Zhao, L Qiu, J Wang, C Li - Journal of Marine Science and …, 2023 - mdpi.com
The underwater maneuvering platform generates self-noise when sailing, which shows
spatial directionality to the arrays fixed on the platform. In this paper, it is called spatially …

Source depth estimation based on the higher‐order sound field in the deep ocean

D Sun, Z Wang, J Shi, M Liang… - IET Radar, Sonar & …, 2024 - Wiley Online Library
Lloyd's mirror effect is a spatial interference phenomenon that results from the coherent
combination of direct and surface‐reflected propagation paths. The higher‐order vertical …

Sparse Bayesian Learning Underwater Source Localization Method Based on Matched Beam

Q Li, X Han, G Zhu, Z Wei - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
In recent years, compressed sensing algorithms have received great attention in underwater
passive source localization, but the classic sparse Bayesian learning localization method …