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Adaptive algorithm for sinusoidal interference cancellation

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

A simple method is presented for the adaptive cancelling of a sine wave signal of known frequency in a time series. The system is characterised by the phase and amplitude parameters which are updated directly according to an LMS-style algorithm. The convergence behaviours and variances of these parameters are analysed. It is demonstrated that the proposed method can effectively remove the 50Hz power line interference in the recording of electrocardiograms (ECG).
Original languageEnglish
Pages (from-to)1910-1912
JournalElectronics Letters
Volume33
Issue number22
DOIs
Publication statusPublished - 23 Oct 1997

Research Keywords

  • Adaptive signal processing
  • Interference suppression

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