표 2. | Table 2. 피검자 6명에 대해 915-MHz CW 레이다 센서를 이용하여 측정된 생체신호 정확도 | Detection accuracy of vital signs for six subjects by using the radar sensor.
Subject | Respiration | Heart rate |
Radar (BPM) | Reference (BPM) | Error (%) | Radar (BPM) | Reference (BPM) | Error (%) |
A | 11.96 | 11.99 | −0.25 | 85.50 | 85.68 | −0.21 |
B | 13.67 | 13.71 | −0.26 | 76.92 | 73.68 | 4.40 |
C | 15.38 | 15.43 | −0.27 | 88.86 | 90.84 | −2.18 |
D | 10.25 | 10.28 | −0.29 | 71.82 | 70.26 | 2.22 |
E | 18.80 | 18.85 | −0.25 | 70.08 | 73.68 | −4.89 |
F | 10.25 | 10.28 | −0.29 | 86.08 | 85.68 | 0.47 |
Mean error rate | − | − | 0.27 | − | − | 2.39 |