Power line interference removal from electrocardiogram using a simplified lattice based adaptive IIR notch filter

  • Dhillon S
  • Chakrabarti S
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Abstract

We propose the use of a lattice based second order infinite impulse response (IIR) notch filter with a simplified adaptation algorithm for removal of the power line frequency from ECG signals. The performance of this filter is better as compared to a second order infinite impulse response (IIR) notch filter for real time ECG recording systems where the frequency of the line varies over a narrow range about 50 Hz.

Author-supplied keywords

  • 3-dB bandwidth
  • Lattice structure
  • Mean square error

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Authors

  • Santpal Singh Dhillon

  • Saswat Chakrabarti

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