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Physiological Signal Processing in Heart Rate Variability Measurement: A Focus on Spectral Analysis (2208.02234v1)
Published 2 Aug 2022 in physics.med-ph, eess.SP, math.SP, and q-bio.TO
Abstract: Fast Fourier Transform (FFT) relies on the HRV frequency-domain analysis techniques. It requires re-sampling of the inherently unevenly sampled heartbeat time-series (RR tachogram) to produce an evenly sampled time series of the heartbeat. However, re-sampling of the heartbeat time -- series is found to produce a substantial error when estimating an artificial RR tachogram.
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