Increasing the Uniform Degrees of Freedom for Moving q-Dilated Arrays

S Li, XP Zhang, DL Ruan, H Zeng - IEEE Internet of Things …, 2022 - ieeexplore.ieee.org
For-dilated arrays, ie, dilated arrays with dilation factor, the uniform degrees of freedom
(uDOFs) of the synthetic array after array motion can be increased by a factor of compared …

Tracking multiple surface vessels with an autonomous underwater vehicle: Field results

A Wolek, J McMahon, BR Dzikowicz… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
This article describes the development and testing of a passive sonar, multitarget tracker,
and adaptive behavior that enable an autonomous underwater vehicle (AUV) to detect and …

Passive acoustic tracking of an unmanned underwater vehicle using bearing-Doppler-speed measurements

KR Kita, S Randeni, D DiBiaso… - The Journal of the …, 2022 - pubs.aip.org
Tracking unmanned underwater vehicles (UUVs) in the presence of ship** traffic is a
critical task for passive acoustic harbor security systems. In general, vessels can be tracked …

Optimal vortex formation in a self-propelled vehicle

RW Whittlesey, JO Dabiri - Journal of Fluid Mechanics, 2013 - cambridge.org
Previous studies have shown that the formation of coherent vortex rings in the near-wake of
a self-propelled vehicle can increase propulsive efficiency compared with a steady jet wake …

A Heterogeneous, Autonomous Passive Network for Underwater Surveillance. Experimental Results with Real Data Collected at Sea

A Tesei, P Stinco, G Ferri, M Uney… - IEEE Aerospace and …, 2024 - ieeexplore.ieee.org
This article describes a sea trial conducted by the Centre for Maritime Research and
Experimentation in the coastal waters of La Spezia, Italy. It presents a selection of the most …

BathyBoat: An autonomous surface vessel for stand-alone survey and underwater vehicle network supervision

HC Brown, LK Jenkins, GA Meadows… - Marine Technology …, 2010 - ingentaconnect.com
AbstractExploration of remote environments, once the domain of intrepid adventurers, can
now be conducted in relative safety using unmanned vehicles. This article describes the …

[HTML][HTML] Improved moving scheme for coprime arrays in direction of arrival estimation

Y Zhang, J Shi, H Zhou, G Hu, T Ma - Digital Signal Processing, 2024 - Elsevier
Coprime array motions are known to improve direction of arrival (DOA) estimation due to the
synthetic aperture technique and the concept of difference coarray (DCA) are combined to …

Passive acoustic sensing for detection of small vessels

E Sorensen, HH Ou, LM Zurk… - OCEANS 2010 MTS …, 2010 - ieeexplore.ieee.org
This paper investigates the system requirements and signal processing tools for a semi-
autonomous passive acoustic boat detection framework for monitoring marine environments …

Multi-vehicle dynamic pursuit using underwater acoustics

B Reed, J Leighton, M Stojanovic, F Hover - Robotics Research: The 16th …, 2016 - Springer
Marine robots communicating wirelessly is an increasingly attractive means for observing
and monitoring the ocean, but acoustic communication remains a major impediment to real …

Optimal positioning of autonomous marine vehicles for underwater acoustic source localization using TOA measurements

B Ferreira, A Matos, N Cruz - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
In opposition to the surface, no common solution is available for localization of active objects
underwater. Typical solutions use acoustics as a means to implicitly measure ranges or …