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M带多尺度函数逼近阶的频域条件 被引量:2

Condition of Approximation Order for M-band Multiscaling Functions in Frequency Domain
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摘要 在小波理论中,精度或逼近阶是刻划尺度函数最重要的特征之一。就M带多小波的多尺度函数逼近阶在频域里进行研究,给出了M带多尺度函数具有逼近阶m的频域充要条件。 Approximation order plays an important role in characterizing multiscaling functios.The sufficient and necessary condition of approximation order is obtained by studying M - band multiscaling functions in frequency domain.
出处 《重庆大学学报(自然科学版)》 EI CAS CSCD 北大核心 2003年第12期88-91,共4页 Journal of Chongqing University
关键词 M带 多尺度函数 逼近阶 频域条件 multiwavelets multiscaling functions approximation order frequency domain condition
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  • 1杨守志,吕卫平.基于MTST方法提升M进制多尺度函数逼近阶[J].汕头大学学报(自然科学版),2006,21(4):7-14. 被引量:1
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