Results 41 to 50 of about 21,410 (207)
, 2018 Autonomous underwater vehicles (AUVs) are being tasked with increasingly complex missions. The acoustic communications required for AUVs are, by the nature of the medium, low bandwidth while adverse environmental conditions underwater often mean they are
Garcia, Francisco J. Chiyah +8 more
core +1 more source
Cooperative Authentication in Underwater Acoustic Sensor Networks [PDF]
, 2019 With the growing use of underwater acoustic communications (UWAC) for both industrial and military operations, there is a need to ensure communication security.
Casari, Paolo +2 more
core +2 more sources
Waveguide Photoactuators: Materials, Fabrication, and Applications
Advanced Robotics Research, EarlyView.Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi +4 more
wiley +1 more source
A MAC Protocol to Support Monitoring of Underwater Spaces
Sensors, 2016 Underwater sensor networks are becoming an important field of research, because of their everyday increasing application scope. Examples of their application areas are environmental and pollution monitoring (mainly oil spills), oceanographic data ...
Rodrigo Santos +5 more
doaj +1 more source
Acoustic projectors make covert bioacoustic chirplet signals discoverable
Scientific Reports, 2023 To disguise man-made communications as natural signals, underwater transceivers have the option to pre-record animal vocalizations, and play them back in a way that carries meaningful information for a trained receiver.
Paolo Casari +4 more
doaj +1 more source
Computers, 2021 Autonomous Underwater Vehicles (AUVs) are seen as a safe and cost-effective platforms for performing a myriad of underwater missions. These vehicles are equipped with multiple sensors which, combined with their long endurance, can produce large amounts ...
Filipe B. Teixeira +9 more
doaj +1 more source
Acoustic positioning and tracking in Portsmouth Harbour, New Hampshire [PDF]
, 2007 Portsmouth Harbor, New Hampshire, is frequently used as a testing area for multibeam and sidescan sonars, and is the location of numerous ground-truthing studies. Having the ability to accurately position underwater sensors is an important aspect of this
Huff, Lloyd C +5 more
core +2 more sources
Compressed Underwater Acoustic Communications for Dynamic Interaction with Underwater Vehicles [PDF]
Proceedings of the International Conference on Underwater Networks & Systems, 2019 Underwater vehicles are utilized in various applications including underwater data-collection missions. The tethered connection constrains the mission both in distance traveled and number of vehicles that can run in the same area, while the addition of acoustic communications onto the vehicles grants them several functionalities.
Mehdi Rahmati +2 more
openaire +2 more sources
FlexMat, EarlyView.Abstract Soft robots, engineered from highly compliant materials, offer superior adaptability and safety in unstructured environments compared to their rigid counterparts. Recent advancements, fueled by bio‐inspiration and material programmability, have led to the rapid co‐evolution of their core modules: actuation, sensing, protection, energy, and ...
Qiulei Liu +3 more
wiley +1 more source
Low-cost acoustic transmitter for underwater sensor networks [PDF]
, 2012 Currently, there is a lag in the proliferation of underwater sensors due to the lack of low cost acoustic transmitters. The high cost of acoustic modems and some of their characteristics, make them inappropriate for many scenarios where low power and ...
Manuel Lázaro, Antonio +2 more
core +1 more source