搜索结果: 1-15 共查到“知识库 地球物理学 SPECTRAL”相关记录20条 . 查询时间(0.105 秒)
SEMI AUTOMATED LAND COVER LAYER UPDATING PROCESS UTILIZING SPECTRAL ANALYSIS AND GIS DATA FUSION
NTDB (National Topographic Data Base), Segmentation, Classification, nDSM, data fusion
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2018/5/11
Technological improvements made in recent years of mass data gathering and analyzing, influenced the traditional methods of updating and forming of the national topographic database. It has brought a ...
Time intermittency and spectral features of the geomagnetic field
nonlinear processes in geophysics geomagneticfield Earth's core fluid dynamics turbulence
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2015/9/11
In the field of geomagnetism a number of studies have been devoted to the investigation of turbulence and intermittency in the outer core fluid motions. Here, in order to obtain information on such ph...
Accuracy in mineral identification: image spectral and spatial resolutions and mineral spectral properties
reflectance spectroscopy VIS-SWIR rock identification spectral resolution spatial resolution noise effects
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2015/9/7
Problems related to airborne hyperspectral image data are reviewed and the requirements for data analysis applied to mineralogical (rocks and soils) interpretation are discussed. The variability of mi...
FASA Fire Airborne Spectral Analysis of natural disasters
remote sensing wild fires volcano emissions Fourier spectrometry data-fusion
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2015/9/7
At present the authors are developing the system FASA, an airborne combination of a Fourier Transform Spectrometer and an imaging system. The aim is to provide a system that is usable to investigate a...
Spectral emissivity and temperature maps of the Solfatara crater from DAIS hyperspectral images
hyperspectral data surface temperature spectral emissivity ara (Phlegraean Fields) DAIS
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2015/9/7
Quantitative maps of surface temperature and spectral emissivity have been retrieved on the Solfatara crater at Pozzuoli (Naples) from remote sensing hyperspectral data. The present study relies on th...
Validation of spectral continuity between PROBA-V and SPOT-VEGETATION global daily datasets
PROBA-V Global Daily
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2015/5/7
Spectral consistency with SPOT-VEGETATION is an important mission objective for PROBA-V, in particular for its 1 km products. This must allow service providers such as the Copernicus Global Land Ser...
Geomagnetic jerks characterization via spectral analysis
via spectral analysis Geomagnetic jerks
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2015/1/4
t. In this study we have applied spectral techniques
to analyze geomagnetic field time-series provided by observatories, and compared the results with those obtained from
analogous analyses of...
Geomagnetic jerks characterization via spectral analysis
Geomagnetic jerks characterization spectral analysis
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2015/1/4
In this study we have applied spectral techniques to analyze geomagnetic field time-series provided by observatories, and compared the results with those obtained from analogous analyses of synthetic ...
Applying Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) spectral indices for geological mapping and mineral identification on the Tibetan Plateau
ASTER Thermal Mapping Spectral indices Ultramafic Ophiolite Tibetan Plateau
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2011/8/5
Abstract: The Tibetan Plateau holds clues to understanding the dynamics and mechanisms associated with continental growth. Part of the region is characterized by zones of ophiolitic melange believed t...
Spectral‐element simulations of long‐term fault slip: Effect of low‐rigidity layers on earthquake‐cycle dynamics
Spectral‐element simulations of long‐term fault slip low‐rigidity layers earthquake‐cycle dynamics
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2014/4/8
We develop a spectral element method for the simulation of long‐term histories of spontaneous seismic and aseismic slip on faults subjected to tectonic loading.
Our approach reproduces all stages of ...
Particle‐in‐cell simulation of incoherent scatter radar spectral distortions related to beam‐plasma interactions in the auroral ionosphere
incoherent scatter radar auroral ionosphere
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2017/3/22
An electrostatic parallel particle‐in‐cell (EPPIC) code that allows for particle beam
injections and multiple boundary conditions is used to investigate the beam‐plasma
interaction and its manifesta...
Spectral-decomposition techniques for the identification of radon anomalies temporally associated with earthquakes occurring in the UK in 2002 and 2008
Spectral-decomposition techniques identification radon anomalies temporally associated
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2010/10/20
During the second half of 2002, the University of Northampton Radon Research Group operated two continuous hourly-sampling radon detectors 2.25 km apart in the English East Midlands. This period inclu...
Spectral evolution of two-layer weak geostrophic turbulence.Part I:Typical scenarios
Spectral evolution two-layer weak geostrophic turbulence Typical scenarios
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2009/11/16
Long-time evolution of large-scale geophysical flows is considered in a β-plane approximation. Motions in an infinite 2-layer model ocean are treated as a system of weakly nonlinear Rossby waves (weak...
A spectral model for turbulence and microphysics dynamics in an ice cloud
spectral model for turbulence microphysics dynamics ice cloud
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2009/11/13
A one-dimensional, nine-mode spectral model for temperature, velocity, and the mixing ratios of suspended and precipitating ice-particle components is shown to be consistent with ice-cloud observation...
On the spectral distribution of kinetic energy in large-scale atmospheric flow
spectral distribution kinetic energy large-scale atmospheric flow
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2009/11/13
A one-dimensional form of the equation of motion with forcing and dissipation is formulated in the spectral domain and used to make long term integrations from which the spectral distribution of the k...