Referenced Items are not available for this document.
Heart rate variations are tracked using an RF Doppler signal by applying a reassigned joint time-frequency transform (RJTFT). In time-frequency analysis, RJTFT improves the readability of the heart rate on a spectrogram and the heart rate is continuously tracked with it. To verify the result, a heartbeat signal was acquired from a stationary human subject using a Doppler radar unit. The sensor operating at 2.45 GHz was located a distance of 0.5 m from the subject. Using the RJTFT, the heart rate was clearly extracted, thereby improved the readability. A reference heart rate was measured by a photoplethysmography (PPG) device and compared with the heart rate tracked by the RJTFT. The resulting root mean square (RMS) difference of the heart rate measured by the two methods was 5%.
Published in:
Antennas and Wireless Propagation Letters, IEEE
(Volume:10
)
Date of Publication: 2011
- Page(s):
- 1096 - 1099
- ISSN :
- 1536-1225
- INSPEC Accession Number:
- 12297173
- Digital Object Identifier :
- 10.1109/LAWP.2011.2168511
- Product Type:
- Journals & Magazines
- Date of Publication :
- 19 September 2011
- Date of Current Version :
- 17 October 2011
- Issue Date :
- 2011
- Sponsored by :
- IEEE Antennas and Propagation Society
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