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http://dx.doi.org/10.5370/KIEE.2014.63.7.962

A Study of PPG Wave and Pulse Measurement on Radial Artery Using Digital Potentiometer and Exponentially Weighted Moving Average Filter  

Jung, In-Bok (Dept. of Electronic and Electrical Engineering, Dankook University)
Kim, Kyung-Ho (Dept. of Electronic and Electrical Engineering, Dankook University)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.63, no.7, 2014 , pp. 962-967 More about this Journal
Abstract
In this paper, through a digital potentiometer and exponentially weighted moving average filter, pulse and PPG waveform measurable device was fabricated in radial artery. If this device is not proper about signal size in analog part, MCU can judge easily by adjusted amplification through digital potentiometer, using exponentially weighted moving average filter is able to filter out more clear value of ADC. I presumed pulse rate as value of measuring time between point of maximum contraction from sensing signal in radial artery of wrist. Therefore, this means can measure stable pulse rate and PPG waveform, finger as well as radial artery, whether signal size of each person is different finger as well as radial artery.
Keywords
PPG; digital potentiometer; EWMA filter(exponentially weighted moving average filter); Radial artery;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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