29 May 2014 Estimation of respiratory rhythm during night sleep using a bio-radar
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Abstract
An assessment of bio-radiolocation monitoring of respiratory rhythm during sleep is given. Full-night respiratory inductance plethysmography (RIP) and bio-radiolocation (BRL) records were collected simultaneously in a sleep laboratory. Polysomnography data from 5 subjects without sleep breathing disorders were used. A multi-frequency bioradar with step frequency modulation was applied. It has 8 operating frequencies ranging from 3.6 to 4.0 GHz. BRL data are recorded in two quadratures. Respiratory cycles were detected in time domain. Obtained data was used for the evaluation of correlation between BRL and RIP respiration rate estimates. Strong correlation between corresponding time series was revealed. BRL method is reliably implemented for estimation of respiratory rhythm and respiratory rate variability during full night sleep.
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Alexander Tataraidze, Alexander Tataraidze, Lesya Anishchenko, Lesya Anishchenko, Maksim Alekhin, Maksim Alekhin, Lyudmila Korostovtseva, Lyudmila Korostovtseva, Yurii Sviryaev, Yurii Sviryaev, } "Estimation of respiratory rhythm during night sleep using a bio-radar ", Proc. SPIE 9077, Radar Sensor Technology XVIII, 90770Z (29 May 2014); doi: 10.1117/12.2049519; https://doi.org/10.1117/12.2049519
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