High Resolution of the ECG Signal by Polynomial Approximation

Radioengineering. 2006;15(1):32-37

 

Journal Homepage

Journal Title: Radioengineering

ISSN: 1210-2512 (Print); 1805-9600 (Online)

Publisher: Spolecnost pro radioelektronicke inzenyrstvi

LCC Subject Category: Technology: Electrical engineering. Electronics. Nuclear engineering

Country of publisher: Czech Republic

Language of fulltext: English

Full-text formats available: PDF

 

AUTHORS

G. Rozinaj
S. Jurko

EDITORIAL INFORMATION

Peer review

Editorial Board

Instructions for authors

Time From Submission to Publication: 12 weeks

 

Abstract | Full Text

Averaging techniques as temporal averaging and space averaging have been successfully used in many applications for attenuating interference [6], [7], [8], [9], [10]. In this paper we introduce interference removing of the ECG signal by polynomial approximation, with smoothing discrete dependencies, to make up for averaging methods. The method is suitable for low-level signals of the electrical activity of the heart often less than 10 m V. Most low-level signals arising from PR, ST and TP segments which can be detected eventually and their physiologic meaning can be appreciated. Of special importance for the diagnostic of the electrical activity of the heart is the activity bundle of His between P and R waveforms. We have established an artificial sine wave to ECG signal between P and R wave. The aim focus is to verify the smoothing method by polynomial approximation if the SNR (signal-to-noise ratio) is negative (i.e. a signal is lower than noise).
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