.
(Remote Cardiac Biometrics with LIDAR)
Doppler RADAR
Chip Transceiver (Emitter and Receiver)
FMCW RADAR
Horn antenna - Katabi MIT lab "EQ-Radio"
RADAR approach combined with algorithms for emotion detection
FMCW / Homodyne
RADAR
Parabolic antenna (dish) - RADAR cardiogram at 15 ft - Remote Vital Sign Monitor (RVSM) for Atlanta Olympics(1996)
Doppler Laser/LIDAR
MIT Tech Review: "The Pentagon has a laser that can identify people from a distance—by their heartbeat".
(Remote cardiac biometrics)