云南高校图书馆联盟文献共享服务平台- MULTIWAVELETS

MULTIWAVELETS: 作品数：15被引量：9H指数：2; 导出分析报告; 相关领域：理学更多>>; 相关期刊：《Communications on Applied Mathematics and Computation》《The Journal of China Universities of Posts and Telecommunications》《Science China Chemistry》《Science China Mathematics》更多>>; 相关基金：国家自然科学基金广东省自然科学基金广西壮族自治区自然科学基金国家高技术研究发展计划更多>>

A Wavelet-Free Approach for Multiresolution-Based Grid Adaptation for Conservation Laws: 《Communications on Applied Mathematics and Computation》2022年第1期108-142,共35页Nils Gerhard Siegfried Müller Aleksey Sikstel; In recent years the concept of multiresolution-based adaptive discontinuous Galerkin(DG)schemes for hyperbolic conservation laws has been developed.The key idea is to perform a multiresolution analysis of the DG solut...; 关键词：Discontinuous Galerkin Grid adaptivity MULTIWAVELETS Multiresolution analysis Conservation laws

Chebyshev Biorthogonal Multiwavelets and Approximation: 《Journal of Applied Mathematics and Physics》2021年第2期233-241,共9页Xiaolin Zhou Qun Lin; In this paper, we construct Chebyshev biorthogonal multiwavelets, and use this multiwavelets to approximate signals (functions). The convergence rate for signal approximation is derived. The fast signal decomposition ...; 关键词：Chebyshev Polynomials Chebyshev Multiwavelets Function Approximation

Linear scaling Coulomb interaction in the multiwavelet basis,a parallel implementation: 《International Journal of Modeling, Simulation, and Scientific Computing》2014年第S01期28-50,共23页Stig Rune Jensen Jonas Jusélius Antoine Durdek Tor Fl˚a Peter Wind Luca Frediani; supported by the Research Council of Norway through a Cen-tre of Excellence Grant(Grant No.179568/V30);from the Norwegian Super-computing Program(NOTUR)through a grant of computer time(Grant No.NN4654K).; We present a parallel and linear scaling implementation of the calculation of the electrostatic potential arising from an arbitrary charge distribution.Our approach is making use of the multi-resolution basis of multi...; 关键词：MULTIWAVELETS electrostatic potentials Poisson equation integral operators linear scaling parallel implementation

A CLASS OF MULTIWAVELETS AND PROJECTED FRAMES FROM TWO-DIRECTION WAVELETS被引量：3: 《Acta Mathematica Scientia》2014年第2期285-300,共16页李尤发杨守志; supported by the Natural Science Foundation China(11126343);Guangxi Natural Science Foundation(2013GXNSFBA019010);supported by Natural Science Foundation China(11071152);Natural Science Foundation of Guangdong Province(10151503101000025,S2011010004511); This article aims at studying two-direction refinable functions and two-direction wavelets in the setting R^s, s 〉 1. We give a sufficient condition for a two-direction refinable function belonging to L^2（R^s）. The...; 关键词：Two-direction refinable functions two-direction wavelets MULTIWAVELETS waveletframes biothogonal （orthogonal） SYMMETRY projection method

Construction of Balanced Orthogonal Nonseparable Multiwavelets: 《Chinese Quarterly Journal of Mathematics》2013年第3期462-467,共6页XIE Chang-zhen; A general method for constructing bidimensional orthogonal nonseparable mul- tiwavelets is presented. Moreover, this construction method can be extended to the con- struction of n-dimensional multiwavelets. In additio...; 关键词：MULTIWAVELETS NONSEPARABLE BALANCED ORTHOGONALITY

Denoising of Medical Images Using Multiwavelet Transforms and Various Thresholding Techniques: 《Journal of Signal and Information Processing》2013年第1期24-32,共9页Abdullah Al Jumah Mohammed Gulam Ahamad Syed Amjad Ali; The problem of estimating an image corrupted by additive white Gaussian noise has been of interest for practical reasons. Non-linear denoising methods based on wavelets, have become popular but Multiwavelets outperfor...; 关键词：MULTIWAVELETS Noise THRESHOLDING Additive White Gaussian Noise SIGNAL-TO-NOISE Ratio Discrete MULTIWAVELET Transforms Chui Lian Symmetric Asymmetric MULTIWAVELET TRANSFORM Bi-Hermite MULTIWAVELET TRANSFORM Modified Universal THRESHOLDING

A new application of multiwavelets:Discrimination of marine algae taxonomic groups with emission-excitation matrix fluorescence被引量：1: 《Science China Chemistry》2013年第1期148-158,共11页ZHANG Cui SU RongGuo ZHANG ShanShan SONG ZhiJie WANG XiuLin; supported by National High-Tech Research and Development Program of China (863 Program) (2009AA063005);Natural Science Foundation of Shandong Province (ZR2009EM001);Natural Science Foundation of China (40976060); The 3D fluorescence discrimination of phytoplankton classes was investigated by SA4 multiwavelet,GHM multiwavelet,and coifman-2(coif2) wavelet analysis.Belonging to 35 genera of 7 major phytoplankton divisions in the ...; 关键词：phytoplankton fluorescence emission-excitation matrix spectra MULTIWAVELET wavelet DISCRIMINATE

Application of AUSMPW scheme based on adaptive algorithm of multiwavelets in two dimensional flow field: 《Journal of Harbin Institute of Technology(New Series)》2011年第1期126-130,共5页孙阳姜澎姜永艳吴勃英冯国泰; Sponsored by the National Natural Science Foundation of China(Grant No.50476028); In this paper,the AUSMPW scheme based on adaptive algorithm of multi-wavelets is presented to solve two dimensional Euler equations.This scheme based on the original AUSMPW scheme uses the multiwavelets for multi-leve...; 关键词：MULTIWAVELETS ADAPTIVE AUSMPW scheme WENO scheme Euler equations

Construction of multiwavelets with high approximation order and symmetry被引量：1: 《Science China Mathematics》2009年第8期1607-1616,共10页YANG ShouZhi LI YouFa; supported by the Natural Science Foundation of Guangdong Province (Grant Nos. 05008289,032038);the Doctoral Foundation of Guangdong Province (Grant No. 04300917); In this paper, based on existing symmetric multiwavelets, we give an explicit algorithm for constructing multiwavelets with high approximation order and symmetry. Concretely, suppose Φ(x):= (φ1(x), ..., φr(x)) T is...; 关键词：refinable function vectors MULTIWAVELETS approximation order SYMMETRY 42C15 94A12

Simultaneous Speckle Reduction and SAR Image Compression Using Multiwavelet Transform被引量：2: 《Journal of Electronic Science and Technology of China》2007年第2期163-166,共4页Ai-Li Wang Ye Zhang Yan-Feng Gu; This work was supported by the National Natural Science Foundation of China under Grant No. 60472048.; Synthetic aperture radar （SAR） images are corrupted by multiplicative speckle noise which limits the performance of the classical coder/decoder algorithm in spatial domain. The relatively new transform of multiwavel...; 关键词：Syntheticaperture radar （SAR） image compression MULTIWAVELETS speckle noise reduction set partitioning in hierarchical trees （SPIHT）.

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