搜索结果: 1-15 共查到“空间物理学 structures”相关记录17条 . 查询时间(0.093 秒)
3D DOCUMENTATION AND BIM MODELING OF CULTURAL HERITAGE STRUCTURES USING UAVS: THE CASE OF THE FOINIKARIA CHURCH
3D models BIM cultural heritage documentation
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2016/10/14
The documentation of architectural cultural heritage sites has traditionally been expensive and labor-intensive. New innovative technologies, such as Unmanned Aerial Vehicles (UAVs), provide an afford...
Mapping plasma structures in the high-latitude ionosphere using beacon satellite, incoherent scatter radar and ground-based magnetometer observations
Beacon satellites ionospheric plasma
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2015/9/25
In the autumn of the year 2000, four radio receivers capable of tracking various beacon satellites were set up along the southwestern coast of Greenland. They are used to reconstruct images of the ion...
Imaging of fast moving electron-density structures in the polar cap
polar cap ionosphere data analysis inverse theory ionospheric storms
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2015/9/2
The imaging of fast-moving electron-density structures in the polar cap presents a unique set of challenges that
are not encountered in other ionospheric imaging problems. GPS observations of total e...
Electrostatic Structures in Space Plasmas: Stability of Two-dimensional Magnetic Bernstein-Greene-Kruskal Modes
Electrostatic structures, BGK modes, Solitons, Plasma kinetic equations
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2011/9/5
Electrostatic structures have been observed in many regions of space plasmas, including the solar wind, the magnetosphere, the auroral acceleration region, and in association with shocks, turbulence, ...
Mirror mode structures and ELF plasma waves in the Giacobini-Zinner magnetosheath
Mirror mode structures ELF plasma waves Giacobini-Zinner magnetosheath
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2009/11/13
We show evidence for mirror mode structures at comet Giacobini-Zinner. These are plasma structures with alternating high ß and low ß regions driven unstable when ß /ß
Theory of localized bipolar wave-structures and nonthermal particle distributions in the auroral ionosphere
localized bipolar wave-structures nonthermal particle distributions auroral ionosphere
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2009/11/13
Bipolar wave structures and nonthermal particle distributions measured by the FAST satellite in regions of downward current are interpreted in terms of the nonlinear evolution of a two-stream instabil...
Properties of fast solitary structures
Properties fast solitary structures
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2009/11/13
We present detailed observations of electromagnetic waves and particle distributions from the Fast Auroral SnapshoT (FAST) satellite which reveal many important properties of large-amplitude, spatiall...
The role of nonlinear Landau damping and the bounced motion of protons in the formation of dissipative structures in the solar wind plasma
nonlinear Landau damping bounced motion of protons dissipative structures solar wind plasma
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2009/11/13
The present work examines the effects arising from the nonlinear Landau damping and the bounced motion of protons (trapped in the mirror geometry of the geomagnetic field) in the formation of nonlinea...
Modelling of large-scale structures arising under developed turbulent convection in a horizontal fluid layer(with application to the problem of tropical cyclone origination)
large-scale structures arising developed turbulent convection horizontal fluid layer
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2009/11/12
The work is concerned with the results of theoretical and laboratory modelling the processes of the large-scale structure generation under turbulent convection in the rotating-plane horizontal layer o...
An example of resonances,coherent structures and topological phase transitions-the origin of the low frequency broadband spectrum in the auroral zone
coherent structures topological phase transitions low frequency broadband spectrum auroral zone
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2009/11/12
We consider the phenomena of intermittent turbulence in magnetized space plasmas from the point of view of topological phase transitions involving the merging and interactions of anisotropic coherent ...
Some theoretical models for solitary structures of boundary layer waves
Some theoretical models solitary structures boundary layer waves
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2009/11/11
Solitary electrostatic structures have been observed in and around auroral zone field lines at various altitudes ranging from close to the ionosphere, to the magnetopause low-latitude boundary layer (...
Solitary potential structures observed in the magnetosheath by the Cluster spacecraft
Solitary potential structures magnetosheath Cluster spacecraft
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2009/11/11
Bipolar pulses of ~ 25-100 µs in duration have been observed in the wave electric field data obtained by the Wideband plasma wave instrument on the Cluster spacecraft in the dayside magnetosheat...
Characteristics of quasi-static potential structures observed in the auroral return current region by Cluster
quasi-static potential structures auroral return current region Cluster
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2009/11/11
Temporal and spatial characteristics of intense quasi-static electric fields and associated electric potential structures in the return current region are discussed using Cluster observations at geoce...
The formation of relativistic plasma structures and their potential role in the generation of cosmic ray electrons
relativistic plasma structures potential role cosmic ray electrons
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2009/11/2
Recent particle-in-cell (PIC) simulation studies have addressed particle acceleration and magnetic field generation in relativistic astrophysical flows by plasma phase space structures. We discuss the...
A new method for abrupt change detection in dynamic structures
new method abrupt change detection dynamic structures
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2009/11/2
Based on Detrended Fluctuation Analysis (DFA), we propose a new method – Moving Detrended Fluctuation Analysis (MDFA) – to detect abrupt change in dynamic structures. Application of this technique sho...