对称的2-通道正交多滤波器组的参数化
张海波,张媛媛
吉林化工学院 理学院;吉林财经学校 公共基础教研室
Parameterization of 2-Channel Orthogonal Multifilter Banks with Symmety
ZHANG Hai-bo, ZHANG Yuan-yan
摘要
本文主要对对称或反对称的2-通道正交多滤波器组的参数化形式进行了深入的讨论与研究.我们给出了具有对称中心γ/2 的正交多滤波器组的参数化。当γ=2L 时,求正交多滤波器组的参数化就是求阶为L的仿酉多相距阵的参数化。通过已有的结论以及逆变换就能够给出原正交多滤波器组的参数化。
关键词:
多小波
正交多滤波器组
参数化
对称/反对称
Abstract:
We make a systematic and deep investigation for the parameterization form of 2-channel orthogonal multifilter banks with symmetry or antisymmetry . we obtain the parameterization of orthogonal multifilter banks with symmetric center γ/2 .When γ=2L ,to give the parameterization form of orthogonal multifilter banks is to obtain that of its paraunitary polyphase with order L. We can obtain the parameterization of the original orthogonal multifilter banks by the conclusion and inverse transformation.
Key words:
multiwavelet
orthogonal multifilter banks
parametrization
symmetric or antisymmetric
出版日期: 2018-11-25
发布日期: 2018-11-25
整期出版日期: 2018-11-25
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