摘要
本文利用多分辨力逼近理论讨论了任意不同子空间对L2(R)中函数的逼近误差,给出了比[1]中对L2(R)的分解更一般的形式.
By using multiresolution approximation theory,this paper has discussed theapproximation error in any different subspace to function L2 (R),and has given a more general resolution of L2(R) than that in a paper by Mallat in 1989.
出处
《湖南教育学院学报》
1998年第5期111-114,共4页
Journal of Hunan Educational Institute
关键词
多分辨力逼近
小波
函数逼近
标准正交基
multiresolution approximation
wavelet
continuous-resolution approximation