Non-contact and non-invasive driver’s monitor using microwave reflectometer

Atsushi Mase, Yuichiro Kogi, Toru Maruyama, Tokihiko Tokuzawa, Masaki Kunugita, Tatsuya Koike, Hiroyasu Hasegawa

研究成果: Contribution to journalArticle査読


This paper describes the measurement of a driver’s instantaneous heart rate corresponding to R-R interval in electrocardiogram and heart-rate variability (HRV) using 24 GHz radar reflectometers. Elimination of the spurious component due to random movement of a driver has been the most difficult problem for microwave measurement. Auto-gain control of the receiver, template matching and cross-correlation technique among multiple reflectometers enable motion artifact elimination, signal peak detection, and data processing for various parameters. The measurement of vital signals is considered useful for predicting the change in a driver’s state, such as a heart attack as well as detecting drowsy driving, drunk driving, and fatigue.

ジャーナルProgress In Electromagnetics Research M
出版ステータス出版済み - 2020

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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