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Title: A comprehensive study about low-cost and limited bandwidth FMCW bio-radar: detailed analyses on vital signs measurements
Authors: Şeflek, İbrahim
Yaldız, Ercan
Keywords: bio-radar
frequency modulated continuous wave radar
heartbeat rate
non-contact measurement
respiration rate
Multiple Subjects
Issue Date: 2022
Publisher: Walter De Gruyter Gmbh
Abstract: In this study, a bio-radar system has been constituted using a frequency modulated continuous wave (FMCW) radar with low cost and limited bandwidth, taking into account of the lack of range the continuous wave (CW) radar. The displacement and vibration frequencies have been determined at a distance of 3.5-5 m for single and multiple targets via the help of the target test mechanism. Then, the detection of vital signs has been achieved with healthy human subject measurements. For a single human subject, respiration rate (RR) errors at 3.5 m and 5 m distances are 4% and 4.42%, respectively, and 13.25% and 15.16% for heartbeat rate (HR). In multiple targets measurements, although targets do not create an obstacle to each other, a slight deterioration has been observed in the signals and the error rates increase. The results show that bio-radar have a promising future to replace contact devices in medical applications.
ISSN: 0016-1136
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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