Title :
Estimating respiratory frequency from autoregressive spectral analysis of heart period
Author :
Thayer, Julian F., III ; Sollers, John J. ; Ruiz-Padial, Elisabeth ; Vila, Jaime
Author_Institution :
Nat. Inst. on Aging, Baltimore, MD, USA
Abstract :
In this article we report the results of a pilot study and a larger investigation that examined the relationship between respiration frequency assessed using the traditional mercury strain gauge and using the central frequency of the HF component derived from autoregressive spectral analysis.
Keywords :
autoregressive processes; electrocardiography; frequency-domain analysis; medical signal processing; pneumodynamics; spectral analysis; time series; ECG; Pearson correlations; R-spike; autoregressive spectral analysis; between-participant correlations; central frequency; frequency-domain measures; heart period spectral component; heart period variability; noninvasive assessment; respiratory frequency estimation; Capacitive sensors; Cardiology; Electrocardiography; Frequency estimation; Hafnium; Heart; Preamplifiers; Radio frequency; Spectral analysis; Strain measurement;
Journal_Title :
Engineering in Medicine and Biology Magazine, IEEE
DOI :
10.1109/MEMB.2002.1032638
