High-precision underwater acoustic localization of the black box utilizing an autonomous underwater vehicle based on the improved artificial potential field

S Sun, H Guo, G Wan, C Dong… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Underwater acoustic localization (UWAL) of the black box for a sunken airplane utilizing an
autonomous underwater vehicle (AUV) is a useful technique in ensuring traffic safety …

DOA estimation of underwater acoustic co-frequency sources for the coprime vector sensor array

X Chen, H Zhang, Y Gao, Z Wang - Frontiers in Marine Science, 2023 - frontiersin.org
A coprime array with fewer sensors can achieve the same resolution as a uniform linear
array. However, when detecting co-frequency targets, there can be prominent false alarms …

Frequency-invariant direction-of-arrival estimation of circular acoustic vector sensor array for wideband signals on the cylindrical baffle

X Zhu, X Zhang, C Gui, F Xu, N Shen, S Shi - Digital Signal Processing, 2024 - Elsevier
This passage discusses a method for estimating the DOA (direction-of-arrival) of broadband
signal targets on the surface of a cylindrical baffle using a circular acoustic vector sensor …

宽带高阶子空间超短基线水下声学定位.

杨磊, 黄俊达, 姜龙玉 - Journal of Signal Processing, 2023 - search.ebscohost.com
超短基线作为一种常用的水声定位技术, 具有基阵尺寸小, 易于布置等优势,
但存在因阵列孔径过小而定位精度欠佳等问题. 对此, 本文提出了一种基于宽带高阶子空间的超 …

Multiple co-frequency sources DOA estimation for coprime vector sensor arrays

X Chen, H Zhang, Z Wang, Y Chen, Y Gao - Plos one, 2023 - journals.plos.org
For the problem of direction-of-arrival (DOA) estimation using a coprime array, there are high
spatial spectrum outputs of false alarms caused by the overlap of main and grating lobes …

Sparse Direction of Arrival Estimation Method Based on Vector Signal Reconstruction with a Single Vector Sensor

J Guo - arXiv preprint arXiv:2404.13568, 2024 - arxiv.org
This study investigates the application of single vector hydrophones in underwater acoustic
signal processing for Direction of Arrival (DOA) estimation. Addressing the limitations of …

Vector Signal Reconstruction Sparse and Parametric Approach of direction of arrival Using Single Vector Hydrophone

J Guo - arXiv preprint arXiv:2404.15160, 2024 - arxiv.org
This article discusses the application of single vector hydrophones in the field of underwater
acoustic signal processing for Direction Of Arrival (DOA) estimation. Addressing the …