Design of Vital Sign Measurement Based on 24G FMCW Radar

被引：1
|
作者：
Zhang, Bo Chao [1 ,3 ]
Wang, Xin Huai [1 ]
Li, Xin [1 ,2 ]
Xu, Yin [1 ,2 ]
机构：
[1] Natl Key Lab Sci & Technol Antennas & Microwave, Xian 710071, Shaanxi, Peoples R China
[2] Sch Elect Engn, Xian 710071, Shaanxi, Peoples R China
[3] Xidian Univ, Xian 710071, Shaanxi, Peoples R China
来源：
2020 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY (ICMMT 2020 ONLINE) | 2020年
关键词：
D O I：
10.1109/ICMMT49418.2020.9387040
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：
In this paper a vital sign measurement system is presented based on 24G frequency modulation continuous wave (FMCW) radar. The radio frequency (RF) circuit is built with BGT24MTR11 operating 24-24.5G FMCW signal. However, to guarantee a sufficient frequency resolution for respiration rate (RR) and heart rate (HR) measurement most of the previous studies use long-period time windows more than 10s. This paper proposes a method based on Discrete Fourier Transform (DFT), with the sample time window less than 6s. Moreover an improved DFT is used to suppress the huge computation of DFT.
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页数：3
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