M odern smart watches can measure an array of health indicators. Step counts and heart rates sit at the simpler end, while ...

Abstract: This study proposes a radar-based heartbeat measurement method that uses the absolute value of the second derivative of the complex radar signal, rather than its phase, in combination with ...

When a transmitter sends a Wi-Fi signal and a receiver captures it after it passes through a person, the signal’s changes can ...

Introduction: Past research on physiological indicators of teacher stress often had to rely on expensive and obtrusive assessment methods. Modern fitness trackers represent a non-invasive and ...

Abstract: This study proposes a method for radar-based identification of individuals using a combination of their respiratory and heartbeat features. In the proposed method, the target individual’s ...

Regular exercise may do more than strengthen the heart. It could also reprogram the nerves that control how the heart beats, new research has found. The discovery could eventually help doctors better ...