搜索结果: 1-14 共查到“计算机科学技术 Spectral”相关记录14条 . 查询时间(0.091 秒)
Validated Spectral Angle Mapper Algorithm for Geological Mapping: Comparative Study Between Quickbird and Landsat-tm
Geology Mapping Exploration
2015/7/7
The aim of this study is to validate the Spectral Angle Mapper (SAM) algorithm for geological mapping in Central Jebilet
Morocco and compare the results between high and medium spatial resolution sen...
3D Flapping Wing Simulation with High Order Spectral Difference Method on Deformable Mesh
3D Flapping Simulation Spectral Diff erence Method Deformable Mesh
2015/7/3
In this paper we carry out computational studies of three-dimensional flow over flapping wings. The problems we have investigated include, firstly, three-dimensonal simulation of ...
Dynamic Mesh Deformation for Adaptive Grid Refinement with Staggered Spectral Difference and Finite Volume Mesh
Dynamic Mesh Deformation Adaptive Grid Staggered Spectral Diff Finite Volume Mesh
2015/7/3
Better computational efficiency and reduced computational cost for high order CFD method are areas of active research. In this study, we investigate the potential of using dynamic deforming mesh ...
A Proof of the Stability of the Spectral Difference Method for All Orders of Accuracy
High order methods Discontinuous Galerkin Spectral difference Stability proof
2015/7/3
While second order methods for computational simulations of fluid flow provide the basis of widely used commercial software, there is a need for higher order methods for more accurate simu...
Computation Of Flows with Shocks Using Spectral Difference Scheme with Arti
Computation Flows Shocks Spectral Difference Scheme
2015/7/3
The current work focuses on applying an arti cial viscosity approach to the Spectral Di erence (SD) method to enable high-order computation of compressible uid ows with discontinuities. The study modi...
An Assessment of Dual-Time Stepping, Time Spectral and Artificial Compressibility based Numerical Algorithms for Unsteady Flow with Applications to Flapping Wings
Assessment Dual-Time Stepping Time Spectral Compressibility based Numerical Algorithms Unsteady Flow Flapping Wings
2015/7/3
The objective of this study is to compare and contrast three numerical algorithms that can be used to estimate the forces and pressure distribution on wings in flapping motion. All algorithms ar...
High-Order Spectral Difference Simulation of Laminar Compressible Flow Over Two Counter-Rotating Cylinders
High-Order Spectral Diff erence Simulation Laminar Compressible Counter-Rotating Cylinders
2015/7/3
Flow past a single rotating cylinder has been studied, both numerically and experimen tally, by many authors. In contrast is the flow past rotating cylinders in a side-by-side arrangement, which...
Time Spectral Method for Rotorcraft Flow with Vorticity Confinement
Time Spectral Method Rotorcraft Flow Vorticity Confi nement
2015/7/2
This paper follows up on the authors’ recent paper.1It is shown here that it is possible to obtain reasonable improvement in the results utilizing Vorticity Confinement method. The previous pape...
Spectral Difference Method for Unstructured Grids II: Extension to the Euler Equations
High-order conservation laws unstructured grids spectral difference spectral collocation method Euler equations.
2015/7/2
An efficient, high-order, conservative method named the spectral difference method has been developed recently for conservation laws on unstructured grids. It combines the best features of struc...
Time Spectral Method for Periodic Unsteady Computations over Two- and Three- Dimensional Bodies
Time Spectral Method Periodic Unsteady Computations Dimensional Bodies
2015/7/2
The Time Spectral Algorithm is proposed for the fast and efficient computation of time periodic turbulent Navier-Stokes calculations past two- and three-dimensional bodies.
On the Use of Spectral and Iterative Methods for Speaker Diarization
speaker diarization factor analysis Total Variability spectral clustering
2014/11/27
This paper extends upon our previous work using i-vectors for speaker diarization. We examine the effectiveness of spectral clustering as an alternative to our previous approach using Kmeans clusterin...
Semi-Supervised Discriminant Analysis via Spectral Transduction
Semi-Supervised Discriminant Analysis via Spectral Transduction
2013/7/16
Linear Discriminant Analysis (LDA) is a popular method for dimensionality reduction and classification. In real-world applications when there is no sufficient labeled data, LDA suffers fro...
Efficient discovery of abundant post-translational modifications and spectral pairs using peptide mass and retention time differences
Efficient discovery abundant post-translational modifications spectral pairs using peptide mass retention time differences
2013/7/16
Background: Peptide identification via tandem mass spectrometry is the basic task of current proteomics research. Due to the complexity of mass spectra, the majority of mass spectra cannot be interpre...
SPECTRAL DENSITY CORRECTION OF A SIGNAL AT FREQUENCY VARIABLE TRANSFORMATION
spectral density frequency transformation finite energy
2010/1/12
The goal of this paper is to determine analytical expression for the spectral density function of a signal, affected by a known frequency transformation, which do not modify the process energy. Such t...