Zobrazeno 1 - 10
of 131
pro vyhledávání: '"Zhengliang Hu"'
Autor:
Wenwen Li, Zhengliang Hu
Publikováno v:
Frontiers in Marine Science, Vol 11 (2024)
The shipping industry is featured by high carbon emissions. The 2023 IMO Strategy on Reduction of GHG Emissions from Ships sets forth the global goals of shipping decarbonization. Shipping decarbonization involves complicated issues of economy, techn
Externí odkaz:
https://doaj.org/article/4ec8108c6c6a4398b1e046437c6c0a50
Publikováno v:
Remote Sensing, Vol 16, Iss 14, p 2563 (2024)
Utilizing hydrophone arrays for detecting underwater acoustic communication (UWAC) signals leverages spatial information to enhance detection efficiency and expand the perceptual range. This study redefines the task of UWAC signal detection as an obj
Externí odkaz:
https://doaj.org/article/8b2f3c459ae54362bd746c83c1734e94
Publikováno v:
Micromachines, Vol 14, Iss 11, p 2094 (2023)
In this paper, a new tuning strategy is proposed by incorporating a pneumatically actuated metamaterial to achieve on-demand polarization manipulation at THz frequencies. Through controlling the actuation pressure, the device function can be flexibly
Externí odkaz:
https://doaj.org/article/f0007a2264d54b4f87a70d69826aaf20
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
Underwater environment observation with underwater acoustic tomography has been considerably developed in recent years. Moving sound transmission can obtain the observation of entire spatial area with sound station moving. Various internal structures
Externí odkaz:
https://doaj.org/article/191581576eda4ec3846d78d3383b3177
Publikováno v:
Remote Sensing, Vol 15, Iss 8, p 1965 (2023)
Underwater acoustic tomography is an advanced technology in water environment observation. Sound propagation duration between transceivers is used for underwater parameter distribution profile reconstruction in the inverse problem. The key points of
Externí odkaz:
https://doaj.org/article/86466c2d6321442c8ecb7a683055ba5a
Autor:
Zhengliang Hu, Wenwen Li
Publikováno v:
Frontiers in Marine Science, Vol 9 (2022)
Cruise tourism is becoming increasingly popular worldwide. However, the health and safety of thousands of cruise tourists have been put in jeopardy due to the COVID-19 pandemic. The refusal of cruise ships calling has been the most significant reason
Externí odkaz:
https://doaj.org/article/93a9228caaf24682971599efcf90e4c7
Publikováno v:
IEEE Access, Vol 7, Pp 160819-160828 (2019)
The split-beam processing methods have been widely used for the bearing estimation of broadband signals with a line array. They can achieve high bearing resolution at a cost of the reduced processing gain. The split beam cross-correlator detector (SB
Externí odkaz:
https://doaj.org/article/191070f2c3d3491795a160d575dab2d4
Publikováno v:
IEEE Access, Vol 7, Pp 131653-131662 (2019)
Aiming at the problems in the bearing-only tracking (BOT) of underwater weak target in the presence of interferers, such as discontinuity of tracking trajectory and target loss, a novel joint algorithm based on interference suppression (IS) and Kalma
Externí odkaz:
https://doaj.org/article/06b48e1f00014a5dbf7e1376c26b9c94
Publikováno v:
Frontiers in Physics, Vol 9 (2021)
Fiber-optic hydrophones have received extensive research interests due to their advantage in ocean underwater target detection. Here, kernel extreme learning machine (K-ELM) is introduced to source localization in underwater ocean waveguide. As a dat
Externí odkaz:
https://doaj.org/article/1bd23c6d4c0a48d2a035c6b8253b8170
