표 5. | Table 5. CW 레이다 센서와 ECG 센서를 이용하여 측정한 피크 위치별 표준편차(SDNN)에 대한 졸음 상태별 심박변이도 분석 결과 | HRV analysis of the SDNN in the wake-drowsiness states from the measured data by using ECG and CW radar sensors.

Subject	SDNN by 60 s window (ms)				SDNN by 300 s window (ms)
	ECG		Radar		ECG		Radar
	Wake	Drowsiness	Wake	Drowsiness	Wake	Drowsiness	Wake	Drowsiness
1	63.96	80.74	92.10	293.10	55.32	86.20	80.17	276.33
2	45.67	48.24	282.66	284.73	53.80	67.25	230.69	260.10
3	48.91	64.03	157.02	296.04	45.79	67.02	160.97	242.32
4	25.38	32.32	222.52	195.04	34.85	37.40	240.13	207.84
5	51.38	60.55	125.68	201.96	52.05	66.48	122.68	203.76
6	37.60	50.80	114.41	94.15	51.81	54.98	149.19	103.00