This chapter presents the contactless vital signs monitoring through Continuous-Waves (CW) Radar sensors . The chapter is divided into two parts: contactless vital signs monitoring through CW Radar sensors  and contactless vital signs monitoring through frequency-modulated Continuous-Waves (FMCW) Radar sensors .

The theory and signal-processing algorithm of the radar are introduced. The architectures of the CW/FMCW radar systems are simple, which facilitates the integration of radar technology into compact devices. Commercial CW/FMCW radar front-end transceivers are widely available.

With the advantage of strong environmental adaptability, low-power consumption, and penetrability, CW/FMCW radars are promising for contactless vital signs monitoring application. This chapter introduces their potential application in cardiopulmonary monitoring, cancer medical application, and indoor human tracking.

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This chapter presents the contactless vital signs monitoring through Continuous-Waves (CW) Radar sensors . The chapter is divided into two parts: contactless vital signs monitoring through CW Radar sensors  and contactless vital signs monitoring through frequency-modulated Continuous-Waves (FMCW) Radar sensors . The theory and signal-processing algorithm of the radar are introduced. The...