Population
ECG signals containing power line noise
Comparison
Digital FIR equiripple notch filter designed… vs ECG signal before filtering
Design
Other
Key result
Application of a digital FIR equiripple notch filter to ECG signals successfully reduced power line interference, as indicated by frequency spectrum analysis.
Authors
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May facilitate ECG denoising in research settings; leaves open clinical validation and efficiency trade-offs before practice change.
A digital FIR equiripple notch filter effectively reduces power line interference in ECG signals, though at the cost of increased computational complexity.
Chavan et al. (2008) studied ECG signal containing power line noise. Digital FIR equiripple notch filter vs. ECG signal before filtering was evaluated on Reduction of power line interference in the ECG signal. Application of a digital FIR equiripple notch filter to ECG signals successfully reduced power line interference, as indicated by frequency spectrum analysis.