High-Order Domain Feature Extraction Technology for Ocean Acoustic Observation Signals: A Review

C Zhu, T Cao, L Chen, X Dai, Q Ge, X Zhao - IEEE Access, 2023 - ieeexplore.ieee.org
For the acquisition of ocean observation information, the underwater acoustic signal is the
only known medium that can propagate over long distances in water. However, the …

Enhanced DOA Estimation with Co-prime Array in the Scenario of Impulsive Noise: A Pseudo Snapshot Increment Perspective

J Pan, M Sun, X Dong, Y Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Co-prime array configuration is popular in the recent development of array signal
processing. However, the assumption of Gaussian noise in most co-prime array processing …

Two-dimensional DOA estimation method of acoustic vector sensor array based on sparse recovery

L Liang, Y Shi, Y Shi, Z Bai, W He - Digital Signal Processing, 2022 - Elsevier
In order to solve the Direction of Arrival (DOA) estimation of fast-moving targets in a strong
noisy environment, an auto-paired two-dimensional (2D) DOA estimation algorithm …

2qth-order cumulants based virtual array of a single acoustic vector sensor

U Sharma, M Agrawal - Digital Signal Processing, 2022 - Elsevier
A spatially co-located four-element single acoustic vector sensor offers numerous
advantages over the scalar pressure sensor array such as compact size, ability to handle …

Augmented tensor MUSIC for DOA estimation using nested acoustic vector-sensor array

X Qu, Y Lou, Y Zhao, Y Lu… - IEEE Signal Processing …, 2022 - ieeexplore.ieee.org
Nested acoustic vector sensor (AVS) arrays have attracted growing interest, and their
performance can be further improved by assembling AVSs with spatially separated (SS) …

Improved Underwater Single-Vector Acoustic DOA Estimation via Vector Convolution Preprocessing

H Dong, J Suo, Z Zhu, S Li - Electronics, 2024 - mdpi.com
Remote passive sonar detection with underwater acoustic vector sensor (UAVS) has
attracted increasing attention due to its merit in measuring the full sound field information …

Direction-of-Arrival Estimation for Nested Acoustic Vector-Sensor Arrays Using Quaternions

Y Lou, X Qu, D Wang, J Cheng - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
There is an increasing interest in direction-of-arrival (DOA) estimation using nested arrays
composed of vector sensors. Considering acoustic vector sensors (AVSs) commonly used in …

Markov chain-based frequency correlation processing algorithm for wideband DOA estimation

J Zhang, M Bao, Z Chen, J Zhao, H Hou, J Yang - Signal Processing, 2023 - Elsevier
For wideband direction-of-arrival (DOA) estimation, a Markov Chain-based frequency
correlation processing algorithm is proposed in the sparse Bayesian learning (SBL) …

Passive direction finding with a pair of acoustic vector sensors using fourth-order cumulants

T Shu, J He - Signal Processing, 2022 - Elsevier
In this paper, an elevation-azimuth direction finding algorithm with the use of a pair of
identically oriented acoustic vector sensors, which can be arbitrarily deployed at unknown …

Enhanced Underwater Single Vector-Acoustic DOA Estimation via Linear Matched Stochastic Resonance Preprocessing

H Dong, J Suo, Z Zhu, H Wang, H Ji - Remote Sensing, 2024 - mdpi.com
Underwater acoustic vector sensors (UAVSs) are increasingly utilized for remote passive
sonar detection, but the accuracy of direction-of-arrival (DOA) estimation remains a …