A non-contact vital sign monitoring system for ambulances using dual-frequency microwave radars.
Satoshi SuzukiTakemi MatsuiHiroshi KawaharaHiroto IchikiJun ShimizuYoko KondoShinji GotohHirofumi YuraBonpei TakaseMasayuki IshiharaPublished in: Medical Biol. Eng. Comput. (2009)