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作者:

Lian, Qiao-Fang (Lian, Qiao-Fang.) | Li, Yun-Zhang (Li, Yun-Zhang.) (学者:李云章)

收录:

EI Scopus SCIE

摘要:

The notion of superframe in general Hilbert spaces was introduced in the context of multiplexing, which has been widely used in mobile communication network, satellite communication network and computer area network. The notion of oblique dual frame is a generalization of conventional dual frame. It has provided us with a frame-like expansion. Using oblique dual frames one can extend frame expansions to include redundant expansions in which the analysis and synthesis frames lie in different spaces. Given positive integers L, M and N, an NZ-periodic set ?? in Z, let ??(g, N, M) be a frame for l 2(??, C L ), and let ??(h, N, M) be a frame for L(h, N, M) (generated by ??(h, N, M)). This article addresses super Gabor duals of g in L(h, N, M). We obtain a necessary and sufficient condition on h admitting super oblique Gabor duals of g, and present a parametrization expression of all super oblique Gabor duals and all oblique canonical Gabor duals of g. We also characterize the uniqueness of super oblique Gabor dual and oblique canonical Gabor dual of g. Some examples are also provided.

关键词:

42C15 42C40 Discrete periodic sets Discrete Zak transform Oblique Gabor dual Superframe Super Gabor frame

作者机构:

  • [ 1 ] [Lian, Qiao-Fang]Beijing Jiaotong Univ, Dept Math, Beijing, Peoples R China
  • [ 2 ] [Li, Yun-Zhang]Beijing Univ Technol, Coll Appl Sci, Beijing, Peoples R China

通讯作者信息:

  • [Lian, Qiao-Fang]Beijing Jiaotong Univ, Dept Math, Beijing, Peoples R China

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来源 :

NUMERICAL FUNCTIONAL ANALYSIS AND OPTIMIZATION

ISSN: 0163-0563

年份: 2013

期: 3

卷: 34

页码: 284-322

1 . 2 0 0

JCR@2022

ESI学科: MATHEMATICS;

ESI高被引阀值:64

JCR分区:4

中科院分区:4

被引次数:

WoS核心集被引频次: 2

SCOPUS被引频次: 2

ESI高被引论文在榜: 0 展开所有

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