Zobrazeno 1 - 10
of 10 110
pro vyhledávání: '"Buoy"'
Publikováno v:
Zhihui kongzhi yu fangzhen, Vol 46, Iss 6, Pp 15-19 (2024)
In order to solve the problems such as low hit rate, difficult evaluation of underwater combat effectiveness and single working mode of the aviation homing depth charge in combat and training, this paper proposes a design of a buoy-type aviation homi
Externí odkaz:
https://doaj.org/article/71798bfc97f4482bb967f2b28744fca2
Autor:
Minghan XING, Zhigang SHANG, Gang QIAO, Feng ZHOU, Donghu NIE, Tong ZHANG, Tianshui LI, Jiaxuan XIE
Publikováno v:
水下无人系统学报, Vol 32, Iss 4, Pp 650-658 (2024)
The existing marine buoy communication mode is single, with low reliability, high packet loss rate, and poor real-time performance, which cannot meet the needs of large-scale marine data acquisition and cross-domain communication. In order to further
Externí odkaz:
https://doaj.org/article/28a81dc0b3ce4dfea9a52e7731effa4f
Autor:
Rui ZHANG
Publikováno v:
水下无人系统学报, Vol 32, Iss 4, Pp 724-729 (2024)
To meet the cross-domain surfaced communication requirements of underwater information in cross-domain cooperative operations, a low-power cross-domain communication buoy system was designed by taking advantage of the buoy’s flexible deployment, lo
Externí odkaz:
https://doaj.org/article/3cd1cad58d1a41baa6092f57c422aaef
Publikováno v:
水下无人系统学报, Vol 32, Iss 4, Pp 718-723 (2024)
High frequency(HF) sky-wave propagation is limited by the working frequency, and the antenna size meeting high gain and adapting to high sea conditions is large, so the application scenario is seriously limited. For the demand of cross-domain long-di
Externí odkaz:
https://doaj.org/article/f15b0489593641ceb11f16294cc8c068
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract Freak or rogue waves are a danger to ships, offshore infrastructure, and other maritime equipment. Reliable rogue wave forecasts could mitigate this risk for operations at sea. While the occurrence of oceanic rogue waves at sea is generally
Externí odkaz:
https://doaj.org/article/2e1b0b3145664c13bf6980aa3460b39c
Autor:
Raheema Rahman, Hasibur Rahaman
Publikováno v:
Frontiers in Marine Science, Vol 11 (2024)
Ocean and sea ice reanalyses (ORAs or ocean syntheses) are reconstructions of the ocean and sea ice states using an ocean model integration constrained by atmospheric surface forcing and ocean observations via a data assimilation method. Ocean reanal
Externí odkaz:
https://doaj.org/article/3741b84cf6084a8b8f9b0e85fcc894e8
Autor:
C. A. Benbow, J. H. MacMahan
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 19, Pp n/a-n/a (2024)
Abstract The nearshore wind stress, u∗2, is examined using machine‐learning models for air‐ocean data collected via new flux buoys deployed across four experiments. Consistent with prior nearshore studies, existing open‐ocean models predict n
Externí odkaz:
https://doaj.org/article/07202024ed3f4af6b03fcd98a2ad4748
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
The energy conversion capacity of wave energy conversion devices highly depends on the hydrodynamic characteristics of the energy-harvesting structure. To investigate the effect of hydrodynamic performance on the power conversion characteristics, a t
Externí odkaz:
https://doaj.org/article/e1e76200056b49dd8d4749a853f817b2
Autor:
Weiguang Jia, Jianhua Ji, Chuan Zhang, Fangfang Chen, Shaohua Cheng, Zhanke Gao, Feifei Shen, Lingling Yuan
Publikováno v:
Terrestrial, Atmospheric and Oceanic Sciences, Vol 35, Iss 1, Pp 1-22 (2024)
Abstract To address the issue of poor accuracy in typhoon wind data, this paper presents a methodology for the calibration of typhoon wind data while conducting an analysis and evaluation of the associated uncertainties. The approach commences with t
Externí odkaz:
https://doaj.org/article/6d5b2420621a4a49b5c26bb62bcc0ae5
Publikováno v:
Wind Energy, Vol 27, Iss 5, Pp 500-529 (2024)
Abstract Conventional mooring systems contribute significantly to the cost of floating wind projects, and innovative solutions with cost‐saving potentials are desired. In the present paper, we investigate the fundamental dynamic behavior of an inno
Externí odkaz:
https://doaj.org/article/602df952858a47039af5a88ea20e0ece