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Quantifying errors in spectral estimates of HRV due to beat replacement and resampling.

Abstract:

Spectral estimates of heart rate variability (HRV) often involve the use of techniques such as the fast Fourier transform (FFT), which require an evenly sampled time series. HRV is calculated from the variations in the beat-to-beat (RR) interval timing of the cardiac cycle which are inherently irregularly spaced in time. In order to produce an evenly sampled time series prior to FFT-based spectral estimation, linear or cubic spline resampling is usually employed. In this paper, by using a rea...

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Publication status:
Published

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Publisher copy:
10.1109/tbme.2005.844028

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science, Biomedical Research Centre
Role:
Author
Journal:
IEEE transactions on bio-medical engineering
Volume:
52
Issue:
4
Pages:
630-638
Publication date:
2005-04-05
DOI:
EISSN:
1558-2531
ISSN:
0018-9294
URN:
uuid:2094c0f4-c392-4f68-99c8-cf15d15d2c61
Source identifiers:
61524
Local pid:
pubs:61524

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