표 6. | Table 6. CW 레이다 센서와 ECG 센서를 이용하여 측정한 실효값 표준편차(RMSSD)에 대한 졸음 상태별 심박변이도 분석 결과 | HRV analysis of the RMSSD in the wake-drowsiness states from the measured data by using ECG and CW radar sensors.
Subject | RMSSD by 60 s window (ms) | RMSSD by 300 s window (ms) |
ECG | Radar | ECG | Radar |
Wake | Drowsiness | Wake | Drowsiness | Wake | Drowsiness | Wake | Drowsiness |
1 | 87.77 | 88.42 | 122.80 | 484.09 | 65.75 | 91.06 | 112.69 | 456.19 |
2 | 57.74 | 54.98 | 436.97 | 451.69 | 45.47 | 61.82 | 369.81 | 425.13 |
3 | 41.43 | 59.67 | 235.31 | 498.14 | 36.94 | 60.59 | 243.03 | 394.42 |
4 | 15.64 | 28.31 | 357.80 | 319.81 | 38.53 | 29.12 | 380.74 | 326.17 |
5 | 57.62 | 66.45 | 204.09 | 319.75 | 49.92 | 67.50 | 199.46 | 322.03 |
6 | 34.87 | 57.53 | 392.29 | 378.55 | 36.94 | 60.95 | 243.03 | 162.50 |