搜索结果: 1-15 共查到“理学 Large-Amplitude”相关记录20条 . 查询时间(0.069 秒)
The variability of the large-amplitude internal wave field on the Australian North West Shelf
Internal waves Solitary waves Internal tide Continental slope Australian North West Shelf (14–221S, 114–1261E)
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2015/6/30
Observations are presented of large-amplitude internal waves (LAIWs) generated by the steepening of the internal tide on the Australian North West Shelf (NWS) over a 4-month period extending from stro...
The strong magnetic field of the large-amplitude beta Cephei pulsator V1449 Aql
stars: early-type —stars: fundamental parameters – stars: individual: V1449 Aql – stars: magnetic fi eld – stars: oscilla- tions —stars: variables: general
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2011/9/28
Only for very few beta Cephei stars has the behaviour of the magnetic field been studied over the rotation cycle. During the past two years we have obtained multi-epoch polarimetric spectra of the bet...
Large-amplitude chirped coherent phonons in tellurium mediated by ultrafast photoexcited carrier diffusion
Large-amplitude chirped coherent phonons tellurium ultrafast photoexcited carrier diffusion
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2010/11/17
We report femtosecond time-resolved reflectivity measurements of coherent phonons in tellurium
performed over a wide range of temperatures (3K to 296K) and pump laser intensities. A totally
symmetri...
The large amplitude outburst of the young star HBC 722 in NGC 7000/IC 5070, a new FU Orionis candidate
stars pre-main sequence – stars variables T Tauri
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2010/11/11
Context. The investigations of the photometric and spectral variability of PMS stars are essential to a better understanding of the early phases of stellar evolution. We are carrying out a photometric...
The modified Korteweg-de Vries equation in the theory of large-amplitude internal waves
modified Korteweg-de Vries equation theory of large-amplitude internal waves
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2009/11/13
The propagation of large- amplitude internal waves in the ocean is studied here for the case when the nonlinear effects are of cubic order, leading to the modified Korteweg - de Vries equation. The co...
Dynamics of large-amplitude geostrophic flows over bottom topography
large-amplitude geostrophic flows bottom topography
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2009/11/13
We examine the interaction of near-surface and near- bottom flows over bottom topography. A set of asymptotic equations for geostrophic currents in a three-layer fluid is derived. The depths of the ac...
The nonlinear dustgrain-charging on large amplitude electrostatic waves in a dusty plasma with trapped ions
nonlinear dustgrain-charging large amplitude electrostatic waves dusty plasma trapped ions
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2009/11/13
The nonlinear dustgrain-charging and the influence of the ion density and temperature on electrostatic waves in a dusty plasma having trapped ions are investigated by numerical calculation. This work ...
Large amplitude solitary waves in and near the Earth’s magnetosphere,magnetopause and bow shock:Polar and Cluster observations
Large amplitude solitary waves Earth’s magnetosphere magnetopause bow shock
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2009/11/11
Solitary waves with large electric fields (up to 100's of mV/m) have been observed throughout the magnetosphere and in the bow shock. We discuss observations by Polar at high altitudes ( ~ 4-8 RE ), d...
On the nonexistence of large amplitude stationary solitary waves in symmetric unmagnetized pair plasmas
large amplitude stationary solitary waves symmetric unmagnetized pair plasmas
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2009/11/11
Waves in pair plasmas have a fundamentally different dispersion due to the equal charge-to-mass ratios between negative and positive charges. In view of possible applications e.g. to electron-positron...
Obliquely propagating large amplitude solitary waves in charge neutral plasmas
large amplitude solitary waves neutral plasmas
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2009/11/2
This paper deals in a consistent way with the implications, for the existence of large amplitude stationary structures in general plasmas, of assuming strict charge neutrality between electrons and io...
A Theory of Large-Amplitude Kelvin Waves
Large-Amplitude Kelvin Waves Lake Michigan
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2009/4/2
A simple nonlinear model of the generation of Kelvin waves is presented and applied to internal Kelvin waves in Lake Michigan. It is shown that a Kelvin wave which has a wavelength longer than the Ros...
Unstable Waves on Oceanic Fronts：Large Amplitude Behavior and Mean Flow Generation
Unstable Waves Oceanic Fronts Mean Flow Generation
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2009/1/5
A primitive equation numerical model is used to study the large amplitude behavior of unstable waves on an oceanic density front, concentrating on a single wave mode corresponding to the fastest growi...
Causation of Large-Amplitude Coastal Seiches on the Caribbean Coast of Puerto Rico
Large-Amplitude Coastal Seiches Sea-level oscillations Puerto Rico
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2008/12/27
Sea-level oscillations at supertidal frequency with amplitudes of the order of the mean tidal range have been reported from the Caribbean coast of Puerto Rico. Analysis of a 10-year time series of dig...
Structure of Large-Amplitude Internal Solitary Waves
Structure Large-Amplitude Internal Solitary Waves
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2008/7/3
The horizontal and vertical structure of large-amplitude internal solitary waves propagating in stratified waters on a continental shelf is investigated by analyzing the results of numerical simulatio...
Structure of Large-Amplitude Internal Solitary Waves
Structure Large-Amplitude Internal Solitary Waves
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2008/7/3
The horizontal and vertical structure of large-amplitude internal solitary waves propagating in stratified waters on a continental shelf is investigated by analyzing the results of numerical simulatio...