An Overview of Machine Learning Techniques in Local Path Planning for Autonomous Underwater Vehicles
IEEE Access, 2023 Autonomous underwater vehicles (AUVs) have become attractive and essential for underwater search and exploration because of the advantages they offer over manned underwater vehicles. Hence the need to improve AUV technologies.
Chinonso E. Okereke +5 more
doaj +1 more source
3D numerical simulation of hydro-acoustic waves registered during the 2012 negros-cebu earthquake [PDF]
, 2019 The paper investigates on the hydro-acoustic waves propagation caused by the underwater earthquake, occurred on 6 February 2012, between the Negros and Cebu islands, in the Philippines.
Bellotti, Giorgio +3 more
core +1 more source
3DupIC: An Underwater Scan Matching Method for Three-Dimensional Sonar Registration
Sensors, 2022 This work presents a six degrees of freedom probabilistic scan matching method for registration of 3D underwater sonar scans. Unlike previous works, where local submaps are built to overcome measurement sparsity, our solution develops scan matching ...
António Ferreira +4 more
doaj +1 more source
AlGaInN laser diode technology for GHz high-speed visible light communication through plastic optical fiber and water [PDF]
, 2016 AlGaInN ridge waveguide laser diodes are fabricated to achieve single-mode operation with optical powers up to 100 mW at ∼420 nm∼420 nm for visible free-space, underwater, and plastic optical fiber communication.
Czernecki, Robert +12 more
core +1 more source
A Conformal Driving Class IV Flextensional Transducer
Sensors, 2018 Class IV Flextensional Transducers (FTs) are the most popular among various FTs used as low-frequency and high power underwater acoustic sources. However, an undeniable fact exists in Class IV FTs is that the resonance frequency of breathing mode ...
Tianfang Zhou +5 more
doaj +1 more source
Underwater acoustic slant range measurements related to weather and sea state [PDF]
, 2018 Underwater range measurements are key factor in underwater acoustic positioning, used in Long Base-Line (LBL) or Ultra Short Base-Line (USBL) computing techniques. These measurements are commonly carried out through acoustic communications between modems
Aguzzi, Jacopo +5 more
core +1 more source
Simulated Research on Passive Sonar Range Using Different Hydrographic Conditions
MATEC Web of Conferences, 2015 As an example using the passive sonar, it calculated the quality factor of passive sonar using the sonar equation. The sound field was calculated under different depth and range using multiform hydrographic conditions.
Han Jing +3 more
doaj +1 more source
Study on the pressure self-adaptive water-tight junction box in underwater vehicle
International Journal of Naval Architecture and Ocean Engineering, 2012 Underwater vehicles play a very important role in underwater engineering. Water-tight junction box (WJB) is one of the key components in underwater vehicle. This paper puts forward a pressure self-adaptive water-tight junction box (PSAWJB) which improves
Haocai Huang +4 more
doaj +1 more source
Beamforming interferometry bathymetry method based on multi-coprime sensor array
International Journal of Distributed Sensor Networks, 2019 Recently, coprime array has been a popular research field in the application of direction-of-arrival estimation. Compared with uniform linear array, coprime array can be used to expand array aperture with fewer sensors, and it also has a nice direction ...
Tian Zhou +4 more
doaj +1 more source
Evaluating the Potential of Augmented Reality Interfaces for Exploring Underwater Historical Sites
IEEE Access, 2021 Underwater cultural heritage sites represent an attractive and exciting experience for diving tourists, even if often it is complicated for them to understand the significance and value of the remains that are usually strongly damaged and covered by the ...
Jan Cejka +4 more
doaj +1 more source