摘要
本文首先对Shannon取样定理作了一些改进,然后以这个改进的取样定理为基础,构造了一种新的正交小波基.
This paper makes some improvement on shnnnon sampling theorem and construict a new orthogonal wavelet basis grounded on the improved sampling theorem.
出处
《上海大学学报(自然科学版)》
CAS
CSCD
1995年第2期144-148,共5页
Journal of Shanghai University:Natural Science Edition
关键词
取样定理
小波函数
离散正交性
Sampling theorem
wavelet function, discrete orthogonality
orthogonal multiscale analysis