搜索结果: 46-60 共查到“理学 SPECTRAL”相关记录517条 . 查询时间(0.248 秒)
HYPERSPECTRAL IMAGE ANALYSIS FOR MATERIAL MAPPING USING SPECTRAL MATCHING
Hyper Spectral Imaging Image Analysis Material Mapping Urban Scene Description Data Fusion
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2015/7/29
Recently, hyperspectral image analysis has obtained successful results in information extraction for earth remote sensing system. The
data produced with this type of analysis is an important compone...
COMPARISON OF BAND RATIOING AND SPECTRAL INDICES METHODS FOR DETECTING ALUNITE AND KAOLINITE MINERALS USING ASTER DATA IN BIGA REGION, TURKEY
Remote Sensing Geology Comparison Detection
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2015/7/29
Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) covers a wide spectral region with 14 bands
from visible to the thermal infrared. The different band ranges can be capable of d...
A FAST SPECTRAL ALGORITHM FOR THE QUANTUM BOLTZMANN COLLISION OPERATOR
Quantum Boltzmann equation fast spectral method
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2015/7/14
This paper introduces a fast spectral algorithm for the quantum Boltzmann collision operator. In the usual spectral framework, one of the terms in the operator cannot be evaluatedefficiently. The new ...
SWEEPING PRECONDITIONERS FOR ELASTIC WAVE PROPAGATION WITH SPECTRAL ELEMENT METHODS
Elastic wave seismic wave time-harmonic frequency domain spectral elements parallel preconditioner iterative solver sparse-direct perfectly matched layers full waveform inversion
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2015/7/14
We present a parallel preconditioning method for the iterative solution of the time-harmonicelastic wave equation which makes use of higher-order spectral elements to reduce pollution error. In partic...
THE 1987 WALD MEMORIAL LECTURES A GENERALIZATION OF SPECTRAL ANALYSIS WITH APPLICATION TO RANKED DATA
Spectral analysis the simulation data the space
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2015/7/14
An analog of the spectral analysis of time series is developed for data in
general spaces. This is applied to data from an election in which 5738 people
rank ordered five candidates. Group theoret...
Spectral Analysis for Discrete Longitudinal Data
Discrete longitudinal data spectral analysis
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2015/7/14
Spectral Analysis for Discrete Longitudinal Data.
On the spectral analysis of second-order Markov chains
second order Markov chains trajectorial reversibility spectrum of non-reversible Markov kernels spectral gap improvement of speed of convergence discrete position-speed Markov chains homogeneous and Abelian second order Markov chains
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2015/7/7
Second order Markov chains which are trajectorially reversible are considered. Contrary to the reversibility notion for usual Markov chains, no symmetry property can be deduced for the corresponding t...
A Spectral Analysis Approach for Experimental Designs
In this paper we show how the approach of spectral analysis generalizes the standard ANOVA-based techiques for studying data from designed experiments. Several examples are worked out in detail including a thorough analysis of Calvin's famous ice cream data.
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2015/7/7
In this paper we show how the approach of spectral analysis generalizes the standard ANOVA-based techiques for studying data from designed experiments.Several examples are worked out in detail, includ...
Development of 2D Spectral Difference Solver for Viscous Compressible Flow Problems on Unstructured Quadrilateral Meshes
Viscous Compressible Flow 2D Spectral
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2015/6/23
The work focuses on the development of a two-dimensional Spectral Dierence (SD) solver
for viscous compressible ow problems on unstructured quadrilateral meshes. We present
the validations of this...
Development of a 3D Viscous Compressible Flow Solver using Spectral Difference Method on Unstructured Hexahedral Grids
Spectral Difference Method Unstructured Hexahedral Grids
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2015/6/23
This report presents a three-dimensional high-order Spectral Dierence solver suitable
for Large Eddy Simulation. The solver is based on the formulation of Sun et al. (2007)
implemented on unstructu...
High-order accurate simulation of low-Mach laminarow past two side-by-side cylinders with Spectral Dfference method
low-Mach laminarow simulation
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2015/6/23
This report presents development of a two-dimensional solver for compressible viscous
ow using Spectral Dierence (SD) method and its applications on simulating laminar
ow past two cylinders. The ...
A Proof of the Stability of the Spectral Difference Method for All Orders of Accuracy
Spectral Difference Method Accuracy
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2015/6/23
One of the most promising approaches is the
Discontinuous Galerkin (DG) method, for which the theoretical basis has been provided in
a series of papers by Cockburn and Shu [1, 2, 3, 4]. The rapid gr...
Spectral Factorization of Non-Classical Information Structures Under Feedback
Structures Under Feedback Non-Classical Information
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2015/6/19
We consider general linear systems under feedback. We restrict our attention to non-classical information structures for which the optimal control policies can be found via a convex optimization probl...
Unbiased Risk Estimates for Singular Value Thresholding and Spectral Estimators
Singular value thresholding Stein’s unbiased risk estimate (SURE) differentiability of eigenvalues and eigenvectors magnetic resonance cardiac imaging
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2015/6/17
In an increasing number of applications, it is of interest to recover an approximately low-rank data matrix from noisy observations. This paper develops an unbiased risk estimate—holding in a Gaussian...
VISIR-SAT – A PROSPECTIVE MICRO-SATELLITE BASED MULTI-SPECTRAL THERMAL MISSION FOR LAND APPLICATIONS
Thermal infrared remote sensing, fire detection and characterization
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2015/5/7
Current space-borne thermal infrared satellite systems aimed at land surface remote sensing retain some significant deficiencies, in particular in terms of spatial resolution, spectral coverage, num...