The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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An Effect of Sampling Rate to the Time and Frequency Domain Analysis of Pulse Rate Variability

샘플링율이 맥박변이도 시간 및 주파수 영역 분석에 미치는 영향

  • Yang, Yoon La (Interdiciplanary Program of Biomedical Engineering, Chonnam National University) ;
  • Shin, Hangsik (Department of Biomedical Engineering, Chonnam National University)
  • Received : 2016.06.03
  • Accepted : 2016.06.15
  • Published : 2016.07.01
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Abstract

This study aims to investigate the effect of sampling frequency to the time domain and frequency domain analysis of pulse rate variability (PRV). Typical time domain variables - AVNN, SDNN, SDSD, RMSSD, NN50 count and pNN50 - and frequency domain variables - VLF, LF, HF, LF/HF, Total Power, nLF and nHF - were derived from 7 down-sampled (250 Hz, 100 Hz, 50 Hz, 25 Hz, 20 Hz, 15 Hz, 10 Hz) PRVs and compared with the result of heart rate variability of 10 kHz-sampled electrocardiogram. Result showed that every variable of time domain analysis of PRV was significant at 25 Hz or higher sampling frequency. Also, in frequency domain analysis, every variable of PRV was significant at 15 Hz or higher sampling frequency.

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References

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