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http://dx.doi.org/10.4283/JKMS.2012.22.5.178

Extraction of Respiratory Rate by using FFT for Radial Artery Pulse Waves Acquisited by Clip-type Pulsimeter with a Hall Sensor  

Cho, Hyun-Sung (Dept. of Oriental Biomedical Engineering, Sangji University)
Lee, Sang-Suk (Dept. of Oriental Biomedical Engineering, Sangji University)
Publication Information
Journal of the Korean Magnetics Society / v.22, no.5, 2012 , pp. 178-182 More about this Journal
Abstract
This research suggested that the extraction of respiratory rate could be made possible by using frequency analysis in the data process for clip-type pulsimeter equipped with permanent magnet and Hall sensor. The pulse analysis included of cardiac motion information depending on variation of pulse waveforms is investigated by means of Fast Fourier Transformation (FFT). The peaks of FFT spectrums measured at 15, 20, 30, 40, and 50 tempos are coincided to each respiratory rate having 0.125 Hz, 0.16 Hz, 0.25 Hz, 0.33 Hz, and 0.41 Hz, respectively. The FFT spectrum using algorithm for the extraction of respiratory rate showed the best pulse waves measured during 300 s. Based upon these results, the clip-type pulsimeter could extract the effective respiratory rate reflecting physical effects.
Keywords
clip-type pulsimeter; permanent magnet; Hall sensor; radial artery; pulse waveform; fast fourier transformation (FFT); respiratory rate; tempo; extraction algorithm;
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Times Cited By KSCI : 6  (Citation Analysis)
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