Results 11 to 20 of about 197,058 (265)

Dynamic Spectrum Sharing in the Age of Millimeter-Wave Spectrum Access [PDF]

open access: yesIEEE Network, 2020
Next-generation wireless networks are facing spectrum shortage challenges, mainly due to, among other factors, the projected massive numbers of IoT connections and the emerging bandwidth-hungry applications that such networks ought to serve. Spectrum is scarce and expensive, and therefore, it is of crucial importance to devise dynamic and flexible ...
Hamdaoui, Bechir   +2 more
openaire   +4 more sources

Frequency Downshifting in Wave Spectra in Coastal Zone and Its Influence on Mudbank Formation

open access: yesJournal of Marine Science and Engineering, 2020
The evolution of wind waves in coastal zones leads to changes in the shape of the wave spectrum. Along the coast of Kerala, due to the presence of mudbanks during the southwest monsoon, we could observe downshifting of the peak frequency in the wave ...
Yana Saprykina   +3 more
doaj   +1 more source

On the spectrum of pp-wave matrix theory [PDF]

open access: yesNuclear Physics B, 2002
We study the spectrum of the recently proposed matrix model of DLCQ M-theory in a parallel plane (pp)-wave background. In contrast to matrix theory in a flat background this model contains mass terms, which lift the flat directions of the potential and renders its spectrum discrete.
Kim, N., Plefka, J.
openaire   +3 more sources

Evolution Wave Condition Using WAVEWATCH III for Island Sheltered Area in the South China Sea

open access: yesJournal of Marine Science and Engineering, 2023
Wave conditions around islands in the South China Sea (SCS) are of significant interest due to their importance for marine operations and coastal engineering. Understanding and accurately predicting wave characteristics in this region are crucial.
Li Zou   +3 more
doaj   +1 more source

A 2D Model for 3D Periodic Deep-Water Waves

open access: yesJournal of Marine Science and Engineering, 2022
The paper is devoted to further development of an accelerated method for simulation of the two-dimensional surface waves at infinite depth with the use of a two-dimensional model derived with simplifications of the three-dimensional equations for ...
Dmitry Chalikov
doaj   +1 more source

Wave Spectrum of Breaking Waves

open access: yesCoastal Engineering 1976, 1976
By wave breaking, an incident monocromatic wave is transformed to a wave composed of its harmonic frequency waves inside a surf zone. Based on a dimensional consideration, the "-1 power law ", the "-2 power law ", the "-2/3 power law " and the "-1/2 power law " on the wave height spectrum ,H(f), are derived as sorts of equilibrium spectra.
Toru Sawaragi, Koichiro Iwata
openaire   +2 more sources

Impact of Wave Irregularity on Hydrodynamic Forces Acting on a Vertical Cylinder in the Persian Gulf [PDF]

open access: yesNumerical Methods in Civil Engineering
The development of marine structures for harnessing natural resources, especially clean energy technologies like offshore wind turbines, is crucial.
Mahdi Saleh   +2 more
doaj   +1 more source

Wind–Wave Modeling: Where We Are, Where to Go

open access: yesJournal of Marine Science and Engineering, 2020
We perform a critical analysis of the present approach in wave modeling and of the related results. While acknowledging the good quality of the best present forecasts, we point out the limitations that appear when we focus on the corresponding spectra ...
Luigi Cavaleri   +2 more
doaj   +1 more source

On the Separation Period Discriminating Gravity and Infragravity Waves off Gyeongpo Beach, Korea

open access: yesJournal of Marine Science and Engineering, 2020
Although there have been a number of studies investigating fundamental characteristics of infragravity waves in coastal zones, a proper method of deciding period ranges that are associated with gravity or infragravity waves remains uncertain.
Jung-Eun Oh   +3 more
doaj   +1 more source

Analysis of the Annual Wave Characteristics in the Deep Water Area near the East Coast of Guangdong Province

open access: yes南方能源建设, 2020
[Introduction] According to the measured wave data of one year in the deep water area of Eastern Guangdong, this paper mainly studies the basic characteristics of annual waves in the sea area.
PAN Dongdong   +3 more
doaj   +1 more source

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