Dilation-and-modulation systems on the half real line

Dilation-and-modulation systems on the half real line
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半实线上的膨胀和调制系统

DOI:
10.1186/s13660-016-1124-y
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发表时间:
2016-07
影响因子:
1.6
通讯作者:
Wei Zhang
Wei Zhang
中科院分区:
数学3区
文献类型:
--
作者:
Yun-Zhang Li;Wei Zhang

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Translation, dilation, and modulation are fundamental operations in wavelet analysis. Affine frames based on translation-and-dilation operation and Gabor frames based on translation-and-modulation operation have been extensively studied and seen great achievements. But dilation-and-modulation frames have not. This paper addresses a class of dilation-and-modulation systems in. We characterize frames, dual frames, and Parseval frames ingenerated by such systems. Interestingly, it turns out that, for such systems, Parseval frames, orthonormal bases, and orthonormal systems are mutually equivalent to each other, while this is not the case for affine systems and Gabor systems.
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