Changzhan Gu, Changzhi Li, Jenshan Lin, Jiang Long, Jiangtao Huangfu, Lixin Ran. Instrument-Based Noncontact Doppler Radar Vital Sign Detection System Using Heterodyne Digital Quadrature Demodulation Architecture. IEEE T. Instrumentation and Measurement, 59(6):1580-1588, 2010. [doi]
Abstract is missing.