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A recursive digital differentiator for ECG preprocessing

✍ Scribed by D. Ebenezer; F.F. Papa

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
487 KB
Volume
16
Category
Article
ISSN
1350-4533

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✦ Synopsis

A simple recursive digital low-pass drfferentiator is derived from a classical lossless resonator model. It is shown that the error behaviour of the proposed dtfferentiator is more uniformly distributed with respect to an ideal dtfferentiator than that of a typical non-recursive digital low-pass drfferentiator widely used in electrocardiogram processing. The recursive digital low-pass differentiator is implemented in the form of a correlation receiver model suitable for QRS detection.

Three-cycle single-lead ECG test data are used to demonstrate low-pass filtering, baseline drift suppression, and R-wave detection.

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