이러한 세부 목적을 달성하기 위해, 잡음비를 먼저 구하고 구해진 잡음비와 FFT 분석을 이용하여 동맥 신호비를 구하였다.
In order to achieve this detailed purpose, the ratio of noise was first obtained and the arterial signal ratio was obtained using the given noise ratio and FFT analysis.