Arctangent Demodulation With DC Offset Compensation in Quadrature Doppler Radar Receiver Systems

Direct-conversion microwave Doppler radar can be used to detect cardiopulmonary activity at a distance. One challenge for such detection in single channel receivers is demodulation sensitivity to target position, which can be overcome by using a quadrature receiver. This paper presents a mathematica...

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Veröffentlicht in:	IEEE transactions on microwave theory and techniques 2007-05, Vol.55 (5), p.1073-1079
Hauptverfasser:	Byung-Kwon Park, Boric-Lubecke, O., Lubecke, V.M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Arctangent demodulation biomedical monitoring biomedical signal detection Cardiology Channels Circuit properties Clutter Compensation dc offset Demodulation direct conversion receiver Direct current Doppler radar Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Heart rate measurement Mathematical analysis Measurement standards Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Offsets Quadratures Radar detection Radiolocalization and radionavigation Receivers Reflection Signal convertors Signal resolution Standard deviation Studies Telecommunications Telecommunications and information theory
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