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Lin: \u201cA 1\u20139 GHz linear-wide-tuning-range quadrature ring oscillator in 130 nm CMOS for non-contact vital sign radar application,\u201d IEEE Microw. Wireless Compon. Lett. <b>20<\/b> (2009) 34 (DOI: 10.1109\/LMWC.2009.2035961).","DOI":"10.1109\/LMWC.2009.2035961"},{"key":"5","doi-asserted-by":"publisher","unstructured":"[5] L. Chen, <i>et al.<\/i>: \u201cNon-contact physiological signal monitoring system based on Doppler radar,\u201d IEICE Electron. Express <b>14<\/b> (2017) 20161178 (DOI: 10.1587\/elex.14.20161178).","DOI":"10.1587\/elex.14.20161178"},{"key":"6","doi-asserted-by":"publisher","unstructured":"[6] C. Gu, <i>et al.<\/i>: \u201cInstrument-based noncontact Doppler radar vital sign detection system using heterodyne digital quadrature demodulation architecture,\u201d IEEE Trans. Instrum. Meas. <b>59<\/b> (2009) 1580 (DOI: 10.1109\/TIM.2009.2028208).","DOI":"10.1109\/TIM.2009.2028208"},{"key":"7","doi-asserted-by":"publisher","unstructured":"[7] T. 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Mase: \u201cMeasurement of heart rate variability and stress evaluation by using microwave reflectometric vital signal sensing,\u201d Rev. Sci. Instrum. <b>81<\/b> (2010) 094301 (DOI: 10.1063\/1.3478017).","DOI":"10.1063\/1.3478017"},{"key":"11","doi-asserted-by":"publisher","unstructured":"[11] W. Massagram, <i>et al.<\/i>: \u201cAssessment of heart rate variability and respiratory sinus arrhythmia via Doppler radar,\u201d IEEE Trans. Microw. Theory Techn. <b>57<\/b> (2009) 2542 (DOI: 10.1109\/TMTT.2009.2029716).","DOI":"10.1109\/TMTT.2009.2029716"},{"key":"12","doi-asserted-by":"publisher","unstructured":"[12] J.-H. Lee, <i>et al.<\/i>: \u201cNoninvasive biosignal detection radar system using circular polarization,\u201d IEEE Trans. Inf. Technol. Biomed. <b>13<\/b> (2009) 400 (DOI: 10.1109\/TITB.2009.2018623).","DOI":"10.1109\/TITB.2009.2018623"},{"key":"13","doi-asserted-by":"publisher","unstructured":"[13] I. V. 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