Results 1 to 10 of about 18,223 (315)
Underwater Optical Wireless Communication
IEEE Access, 2016 Underwater wireless information transfer is of great interest to the military, industry, and the scientific community, as it plays an important role in tactical surveillance, pollution monitoring, oil control and maintenance, offshore explorations, climate change monitoring, and oceanography research.
Hemani Kaushal, Georges Kaddoum
exaly +3 more sources
Research on Underwater Optical Communication Technology
Guangtongxin yanjiu, 2023 Underwater optical communication is a new and feasible underwater communication technology, which has developed rapidly in recent years. To build a high-performance and practical underwater optical communication system, it is necessary to consider and ...
LIU Run-peng +3 more
doaj +2 more sources
Underwater Communications and Networking [PDF]
Journal of Electrical and Computer Engineering, 2012 1 School of Electrical and Electronic Engineering, Newcastle University, Merz Court, Newcastle upon Tyne NE1 7RU, UK 2Department of Electronics, University of York, Heslington, York YO10 5DD, UK 3 Institut Mines-Telecom, Telecom Bretagne, UMR CNRS 6285 Lab—STICC, Universite Europeenne de Bretagne, Technopole Brest Iroise, CS 83818, 29238 Brest Cedex ...
Charalampos C. Tsimenidis +5 more
openaire +3 more sources
Underwater Accompanying Robot Based on SSDLite Gesture Recognition
Applied Sciences, 2022 Underwater robots are often used in marine exploration and development to assist divers in underwater tasks. However, the underwater robots on the market have some problems, such as only a single function of object detection or tracking, the use of ...
Tingzhuang Liu +3 more
doaj +1 more source
IEEE Access, 2020 The limited energy supply of underwater nodes is one of the key issues for the multi-hop underwater acoustic sensor networks (UWA-SN). In this paper, the fusion scheme based on ant colony optimization algorithm (ACOA), artificial fish swarm algorithm ...
Yougan Chen +5 more
doaj +1 more source
CDMA for Underwater Acoustic Communication
CoRR, 2021 This paper provides an overview of how and why acoustic waves are important for underwater communication when compared with radio and optical waves, underwater acoustic channel, it's characteristics and model. Also about the underwater sensor architecture, challenges faced by sensor nodes in the network and Media Acess Control(MAC) protocol solutions ...
Lokesh Bommisetty +4 more
openaire +2 more sources
IEEE Access, 2020 In this paper, we propose an improved energy optimization clustering algorithm (EOCA) for the multi-hop underwater acoustic cooperative sensor networks (UWA-CSN) due to the limited energy supply of the underwater sensor nodes.
Weijian Yu +5 more
doaj +1 more source
Study on Feeding Activity of Litopenaeus Vannamei Based on Passive Acoustic Detection
IEEE Access, 2020 Litopenaeus vannamei, as the main target of shrimp farming in China, has a great market prospect and high economic value. However, domestic Litopenaeus vannamei farming and feeding efficiency are low, mainly through the use of hand tools by farmers to ...
Maochun Wei +4 more
doaj +1 more source
Deep learning microphone array speech enhancement for multiple speaker separation
Dianzi Jishu Yingyong, 2022 With the increase of human-computer voice interaction scenes in recent years, using microphone array speech enhancement to improve speech quality has become one of the research hotspots.
Zhang Jiayang +3 more
doaj +1 more source
Anti-Multipath Orthogonal Chirp Division Multiplexing for Underwater Acoustic Communication
IEEE Access, 2020 Multipath due to reflections of the sea surface, seabed, and obstacles, as well as inhomogeneity within the ocean, is an important characteristic of underwater acoustic channels. Mutual interference among multiple paths causes severe amplitude fading and
Peibin Zhu +4 more
doaj +1 more source