WAVELETS

作品数:190被引量:216H指数:7
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相关领域:理学更多>>
相关作者:宋建国沈民奋代龙泉谌秋辉更多>>
相关机构:弗吉尼亚大学中国石油大学(华东)中国石油北京化工大学更多>>
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相关基金:国家自然科学基金国家重点基础研究发展计划湖北省自然科学基金中国博士后科学基金更多>>
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Adaptive Wavelet Solution to the Stokes Problem被引量:1
《Acta Mathematicae Applicatae Sinica》2008年第4期613-626,共14页Ying-chun Jiang Youming Liu 
Supported by the Natural Science Foundation of Beijing(No.1082003).
This paper deals with the design and analysis of adaptive wavelet method for the Stokes problem. First, the limitation of Richardson iteration is explained and the multiplied matrix M0 in the paper of Bramble and Pasc...
关键词:Richardson iteration adaptive algorithm WAVELETS Stokes problem Galerkin solution 
A NOTE ON FINITE ELEMENT WAVELETS
《Acta Mathematicae Applicatae Sinica》2001年第4期517-525,共9页谌秋辉 陈翰麟 
The refinability and approximation order of finite element multi-scale vector are discussed in [1]. But the coefficients in the conditions of approximation order of finite element multi-scale vector are incorrect ther...
关键词:Approximation order SYMBOL multi-scale vector matrix dilation equation 
DETECTION OF THE JUMP POINTS OF A HETEROSCEDASTIC REGRESSION MODEL BY WAVELETS被引量:2
《Acta Mathematicae Applicatae Sinica》2000年第4期420-429,共10页赵延孟 李元 
the National Natural Science Foundation of China (No.19571010).
Wavelets are applied to detect the jumps in a heteroscedastic regression model. By the empirical wavelet coefficients of the conditional mean and the conditional variance of the time series under consideration, it is ...
关键词:HETEROSCEDASTICITY regression model JUMPS wavel0 
THE WAVELET DETECTION OF THE JUMP AND CUSP POINTS OF A REGRESSION FUNCTION被引量:4
《Acta Mathematicae Applicatae Sinica》2000年第3期283-291,共9页李元 谢衷洁 
Wavelets are applied to a regression model with an additive stationary noise. By checking the empirical wavelet coefficients with significantly large absolute values across fine scale levels, the jump points are detec...
关键词:Jump and cusp points regression function stationary noises WAVELETS 
ON THE CONSTRUCTIONS OFPRE-WAVELETS IN L_2(R^s)
《Acta Mathematicae Applicatae Sinica》1998年第2期129-133,共5页陈迪荣 
Given a multiresolution analysis of multidimension, we construct pre-wavelets and a Rieszwavelet basis under some assumptions on the scale function. Example are provided.
关键词:Multiresolution analysis pre-wavelet Riesz wavelet basis 
ON WAVELETS IN L_1
《Acta Mathematicae Applicatae Sinica》1994年第1期69-74,共6页周定轩 
In this paper we give a method to characterize the smoothness of functions in L1 by an r-regular multiresolution analysis and its derivatives.
关键词:WAVELETS r-regular multiresolution analysis K-FUNCTIONAL Moduli of smoothness 
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