Low-Pass Differentiators for Biological Signals with Known Spectra: Application to ECG Signal Processing

Pablo Laguna, Nitish V. Thakor, Pere Caminal, Raimon Jañe

Research output: Contribution to journalArticlepeer-review

Abstract

Digital low-pass filtering and differentiation (LPD) are useful in real-time processing of many biomedical signals. A general method is presented for determining the coefficients of a differentiator that maximizes the signal-to-noise ratio or minimizes the error between actual and ideal LPD filters, when signal and noise spectra are known. Several examples of digital filters suitable for QRS complex and P-T wave processing in ECG are presented.

Original languageEnglish (US)
Pages (from-to)420-425
Number of pages6
JournalIEEE Transactions on Biomedical Engineering
Volume37
Issue number4
DOIs
StatePublished - 1990

ASJC Scopus subject areas

  • Biomedical Engineering

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