On recovery of discrete time signals from their periodic subsequences

被引：3

作者：

Dokuchaev, Nikolai ^{[1
,2
]}

机构：

[1] Curtin Univ, Sch Elect Engn Comp & Math Sci, GPO Box U1987, Perth, WA 6845, Australia

[2] ITMO Univ, St Petersburg 197101, Russia

来源：

SIGNAL PROCESSING | 2019年 / 162卷

关键词：

Discrete time signals; Digital signals; Sampling; Recovery from subsequences; Spectrum degeneracy; MISSING SAMPLES; SPARSE SIGNALS; RECONSTRUCTION; PREDICTORS;

D O I：

10.1016/j.sigpro.2019.04.008

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The paper investigates recoverability of discrete time signals (sequences) from their subsequences sampled at m-periodic points. It is shown that this recoverability is associated with arbitrarily small spectrum degeneracy of subsequences amended via insertion of dummy elements and bundled into a system. It appears that, for a given m, the signals of a general kind can be approximated by signals with this feature. A recovery algorithm is suggested, and some robustness of this recovery is established. (C) 2019 Elsevier B.V. All rights reserved.

引用

页码：180 / 188

页数：9

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