A ka-band low power Doppler radar system for remote detection of cardiopulmonary motion.
A low power Ka-band Doppler radar that can detect human heartbeat and respiration signals is demonstrated. This radar system achieves better than 80% detection accuracy at the distance of 2-m with 16-&#956;W transmitted power. Indirect-conversion receiver architecture is chosen to reduce the DC offset and 1/f noise that can degrade signal-to-noise ratio and detection accuracy. In addition, the radar has also demonstrated the capability of detecting acoustic signals.
Xiao
Yanming
Y
University of Florida, Gainesville, FL, 32611, USA.
Lin
Jenshan
J
Boric-Lubecke
Olga
O
Lubecke
Victor
V