A Topological Low-Pass Filter for Quasi-Periodic Signals

被引：6
|
作者：
Robinson, Michael [1 ]
机构：
[1] Amer Univ, Dept Math & Stat, Washington, DC 20016 USA
来源：
IEEE SIGNAL PROCESSING LETTERS | 2016年 / 23卷 / 12期
关键词：
Adaptive filters; delay embedding; phase retrieval; quasiperiodic function;
D O I：
10.1109/LSP.2016.2619678
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：
This letter presents a two-stage topological algorithm for recovering an estimate of a quasi-periodic function from a set of noisy measurements. The first stage of the algorithm is a topological phase estimator, which detects the quasi-periodic structure of the function without placing additional restrictions on the function. By respecting this phase estimate, the algorithm avoids creating distortion even when it uses a large number of samples for the estimate of the function.
引用
收藏
页码：1771 / 1775
页数：5
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