id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
aiti-419	Ko, Kuk Won; Lee, Sangjoon	Biosignal –Based Multimodal Biometric System	2016	6	.pdf	application/pdf	3057	152	64	We manufac- tured a bio-signal measurement system that can simultaneously measure ECG and PPG signals, using which three channels of ECG signal and one channel of PPG signal were acquired from the right-hand index finger of a total of 33 sub- sets for 3 minutes. PPG signals are bio-signals that are linked with ECG signals, and also represent the state of b lood vessels of the subject with heart contraction.	cache/aiti-419.pdf	txt/aiti-419.txt