PORTABLE NON-CONTACT MICROWAVE DOPPLER RADAR FOR RESPIRATION AND HEARTBEAT SENSING.

Microwave L-band Doppler radar has been developed for pulmonic and cardiac activities investigation. Model of reflected signal spectra has been proposed, which is in qualitative agreement with both pulmonic and cardiac spectra. Distance sensitivity and penetration ability of the radar allows to quality it for typical indoor applications, as well as for life signal detection under avalanche. [ABSTRACT FROM AUTHOR]