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Estimation of Breathing Rate with Confidence Interval Using Single Channel CW Radar

Breathing rate estimation using a single channel CW radar is proposed by including confidence intervals. To this end, time-varying dominant Doppler frequency of radar signal is extracted in time-frequency domain. The sum of these unwanted components is extracted in time-frequency domain and from their surrogate versions, bootstrap resamples of the measured signal are obtained. A 95% confidence interval is calculated for breathing rate estimation using the bootstrap approach.

I. Nejadgholi, H. Sadreazami, Z. Baird, M. Bolic and S. Rajan, Estimation of Breathing Rate with Confidence Interval Using Single Channel CW Radar, Journal of Healthcare Engineering, 2019.

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