| Abstract [eng] |
Cardiovascular diseases take big part of death cases in the entire world. One of the factors which can warn about the ability of these diseases to appear is heart rate. Currently used heart rate registration means is uncomfortable because of constant contact with human body. In this work, contactless (remote) heart rate registration using electromagnetic impulse radar, is presented. In this research, recent articles where radars are used in vital signs, such as breathing and heart rate registration, are reviewed. Two radars were used in this research – NVA-R631 and X2M200 (Novelda AS). Few methods were used to extract heart rate signal from radar signal with better quality. Modeling and experimental results are presented in this research. For experimental results proof of adequacy, heart rate signal is compared with electrocardiograph heart rate, which is registered at the same time. Results of this research show that impulse radar can register human heart rate but considerable errors are possible when radar antennas are not facing directly at human chest. |
