A class of frames for Paley-Wiener spaces with multiple lattice tiles support

Ezra Tampubolon, V. Pohl, H. Boche
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Abstract

Let Ω ⊂ RN be a bounded measurable set and let Λ ⊂ RN be a lattice. Assume that Ω tiles RN multiply at level K when translated by Λ. Then this paper derives conditions on sets of sampling functions such that they form a frame for the Paley-Wiener space PWΩ of functions bandlimited to Ω. Moreover, the canonical dual frame is derived, which allows signal recovery for all signals in PWΩ from a multichannel sampling system samples.
一类具有多格块支持的paly - wiener空间的框架
设Ω∧RN是一个有界可测集合,并设Λ∧RN是一个格。假设Ω瓷砖RN在被Λ翻译时在级别K上相乘。然后,本文导出了采样函数集合的条件,使它们构成函数带宽限制为Ω的Paley-Wiener空间PWΩ的一个框架。此外,导出了规范双帧,它允许从多通道采样系统中采样PWΩ中的所有信号的信号恢复。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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