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A new application for the high-resolution processing algorithm MUSIC, applied to a rotating antenna, is presented. Experimental results show that significant improvement can be achieved using the proposed method, compared to a low-directivity rotating antenna. © 2003 Wiley Periodicals, Inc. Microwave Opt Technol Lett 37: 329–330, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10909 [ABSTRACT FROM AUTHOR]

This article presents a contact-less system to detect the heartbeat activity from a distance of 1 m. The proposed system is based on using a vector network analyzer. Measurements are performed at 16 GHz for different power levels between 0 and −25 dBm. Results for two S-parameters are obtained and compared to an electrocardiogram simultaneous signal in terms of heartbeat rate and heart rate variability. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:2610-2617, 2012; this online at wileyonlinelibrary.com. DOI 10.1002/mop.27152 [ABSTRACT FROM AUTHOR]