Multi-frequency Radar Systems for Monitoring Vital Signs

被引：0
|
作者：
Chioukh, Lydia [1 ]
Boutayeb, Halim [1 ]
Deslandes, Dominic [2 ]
Wu, Ke [1 ]
机构：
[1] Ecole Polytech, Ctr Radiofrequency Elect Res Quebec CREER, Poly GRAMES Res Ctr, Dept Elect Engn, Montreal, PQ, Canada
[2] Univ Quebec Montreal, Montreal, PQ, Canada
来源：
2010 ASIA-PACIFIC MICROWAVE CONFERENCE | 2010年
基金：
加拿大自然科学与工程研究理事会;
关键词：
CW radars; vital sign detection; microwave systems; heartbeat rate; multi-frequency;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a theoretical and experimental analysis of multi-frequency radar systems for monitoring vital signs. The main advantage of using a multi-frequency architecture is the possibility to improve the detection sensitivity of heart beats and breathing rate while cancelling the body movement with signal processing. Simulations were carried out using ADS software for three systems operating at 5.8, 24 and 35 GHz. Different parameters such as antenna gain, mixer conversion loss and LNA gain were considered in the simulations for each system in connection with their system effects. It is shown that by using adequate correlation functions of received signals, it is possible to improve the detection accuracy. Experimental results are presented to validate the analysis and proposed approach.
引用
收藏
页码：1669 / 1672
页数：4
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