워그너_빌 분포 변환 기법을 이용한 마취단계별 심박변이율 신호 분석 = Analysis of the Heart Rate Variability Signal in Each Anesthesia Stage using Wigner-Ville Distribution Method

다국어 초록 (Multilingual Abstract)

In this study, the heart rate variability(HRV) signal of operating patient was acquired according to anesthesia progress and identified to evaluation possibility of depth of anesthesia in each anesthesia stage. The HRV signal was analyzed time-frequency domain applied to Wigner-Ville distribution method, the characteristic parameters were extracted for evaluation of depth of anesthesia in each anesthesia stage. The progress of general anesthesia was divided into the states of pre-operation, induction of anesthesia, operation, awaking and post-operation.

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