Results 61 to 70 of about 4,672,975 (205)

A Compact Acoustic Communication Module for Remote Control Underwater [PDF]

, 2015
This paper describes an end-to-end compact acoustic communication system designed for easy integration into remotely controlled underwater operations. The system supports up to 2048 commands that are encoded as 16 bit words.
DelPreto, Joseph Jeff, Katzschmann, Robert Kevin, Rus, Daniela L, MacCurdy, Robert, Joseph DelPreto, Robert Katzschmann, Robert MacCurdy, Daniela Rus   +7 more
core   +1 more source

Time Synchronization Scheme of Underwater Platforms Using Wireless Acoustic and Optical Communication

, 2022
Publisher Copyright: © 2022 IEEE.Time synchronization in autonomous underwater vehicle (AUV) formations is significant for joint underwater survey tasks.
Matsuda, Takumi, Pajarinen, Joni, Peters, Jan, Weng, Yang, Sekimori, Yuki, Maki, Toshihiro   +5 more
core   +1 more source

Channel Estimation Based Equalizer for Underwater Acoustic Multiple-Input-Multiple-Output Communication

IEEE Access, 2019
Multiple-input-multiple-output (MIMO) underwater acoustic communication offers a promising way to improve the data rate under very limited bandwidth underwater channels.
Yuehai Zhou, F. Tong
doaj   +1 more source

A Dual-Branch Autoencoder Network for Underwater Low-Light Polarized Image Enhancement

Remote Sensing
Underwater detection faces uncomfortable illumination conditions, and traditional optical images sensitive to intensity often cannot work well in these conditions.
Chang Xue, Qingyu Liu, Yifan Huang, En Cheng, Fei Yuan   +4 more
doaj   +1 more source

Joint Representation and Recognition for Ship-Radiated Noise Based on Multimodal Deep Learning

Journal of Marine Science and Engineering, 2019
Ship recognition based on ship-radiated noise is one of the most important and challenging subjects in underwater acoustic signal processing. The recognition methods for ship-radiated noise recognition include traditional methods and deep learning (DL ...
Fei Yuan, Xiaoquan Ke, En Cheng
doaj   +1 more source

Underwater turbulence on scintillating-fiber based omnidirectional underwater wireless optical communication system

, 2022
The underwater wireless optical communication (UWOC) technology is vastly developing due to its advantages of high bandwidth, large capacity, and low latency.
Ng, Tien Khee, Ooi, Boon S., Kong, Meiwei, Guo, Yujian, Marie, Sohailh, Sait, Mohammed   +5 more
core   +1 more source

Underwater optical wireless sensor network [PDF]

The thesis details the development of a short range, multi-hop underwater optical wireless sensor network. Multi-hop underwater optical wireless communication using a line of sight (LOS) link can provide a greater range compared to a single hop ...
Ahmad, Zahir Uddin
core  

Underwater acoustic communication messaging time stamp applied to global time synchronization

, 2014
This paper presents a new approach to time stamp messages in underwater acoustic communication. Message time stamping is a widely used method for synchronizing two clocks over a cabled or wireless communication, by exchanging time information in ...
Oriol Pallares, Pierre-Jean Bouvet, Bouvet, Pierre-Jean, Joaquin del Rio, Pallarés Valls, Oriol, Río Fernández, Joaquín del   +5 more
core   +1 more source

Taking LoRa for a dive : CSS for low-power acoustic underwater communication

, 2022
Long Range (LoRa) is a rising technology for low-power over-water wide area networks. In this paper, we modify the physical layer (PHY) of the LoRa communication standard for use in acoustic underwater communication.
Renner, Bernd-Christian, Steinmetz, Fabian   +1 more
core   +1 more source

Modelling tunnel thrusters for autonomous underwater vehicles [PDF]

, 2008
With 900 Autonomous Underwater Vehicles (AUVs) required over the next decade (Newman et al., 2007) existing survey-style AUVs need improved utilization factors.
Stevenson, P., Hearn, G.E., Alistair Palmer, Peter Stevenson, Grant E. Hearn, Palmer, A.   +5 more
core   +3 more sources