Japan: Panasonic Corporation and Kyoto University have developed a new technology that can detect vital signs such as heart rate, heartbeat interval, etc., in humans using millimeter-wave radar. This remote sensing technology can take measurements as people go about their daily activities without placing sensors on the body with as high accuracy as electrocardiographs. The remote sensing system combines millimeter-wave spread-spectrum radar technology and a unique signal analysis algorithm that identifies signals from the body.
Toru Sato, professor of communications and computer engineering at Kyoto University, says, “Heartbeats aren't the only signals the radar catches. The body sends out all sorts of signals at once, including breathing and body movement. It's a chaotic soup of information. Our algorithm differentiates all of that. It focuses on the features of waves including heart beats from the radar signal and calculates their intervals.”