Noncontact Multiple Heartbeats Detection and Subject Localization Using UWB Impulse Doppler Radar

被引：95

作者：

Ren, Lingyun ^{[1
]}

Koo, Yun Seo ^{[1
]}

Wang, Haofei ^{[2
]}

Wang, Yazhou ^{[3
]}

Liu, Quanhua ^{[2
]}

Fathy, Aly E. ^{[1
]}

机构：

[1] Univ Tennessee, Dept Elect Engn & Comp Sci, Knoxville, TN 37996 USA

[2] Beijing Inst Technol, Sch Informat & Elect, Beijing 100081, Peoples R China

[3] RF Micro Devices Inc, Boston Design Ctr, Billerica, MA 01821 USA

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2015年 / 25卷 / 10期

关键词：

Multiple heart rates; phase based algorithm; pulse-doppler radar; ultrawideband (UWB); vital signs; VITAL SIGNS;

D O I：

10.1109/LMWC.2015.2463214

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 letter, a phase-based algorithm based on a logarithmic method, applicable to UWB radars and suitable to real-time monitoring, is proposed to detect the phase variations of reflected pulses caused by the tiny cardiac motions. Compared with conventional FFT vital signs detection method, this algorithm demonstrates advantage in respiration harmonics suppression and avoidance of intermodulation between respiration and heartbeat signals. Furthermore, it is experimentally shown that UWB Doppler radar is capable of multiple heartbeats detection and subject identification/localization.

引用

页码：690 / 692

页数：3

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