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