Skip to main content

Table 1 The respiration and heartbeat signal model parameters

From: Vital sign sensing method based on EMD in terahertz band

Parameter Value
Carrier frequency fc 240 GHz
Fixed distance R0 50 m
Respiration displacement r1 5 mm
Heartbeat displacement r2 0.8 mm
Respiration rate f1 0.23 Hz
Heartbeat rate f2 1 Hz
Heartbeat radius r 0.25 m
Heart rate shift τ 0
Time t 30 s
SNR -13 dB