El Atrash, Mohamed and Wang, Yi (2014) A circularly polarised antenna for a wireless blood-flow sensor. In: 2014 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications (IMWS-Bio). IEEE International Microwave Workshop Series . Institute of Electrical and Electronics Engineers Inc., Piscataway, NJ, USA, pp. 1-3. ISBN 9781479954452 (doi:https://doi.org/10.1109/IMWS-BIO.2014.7032388)

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Abstract

This paper presents a circularly polarised antenna for determining the speed of blood-flow, using Doppler effects at microwave frequencies. The structure consists of a double-feed patch antenna and a quadrature hybrid coupler in order to achieve circular polarisation and to isolate the reflected signal from the incident. The design was simulated and then fabricated. Both results were compared which showed a good agreement in terms of scattering parameters and radiation patterns.

Item Type:	Conference Proceedings
Title of Proceedings:	2014 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications (IMWS-Bio)
Additional Information:	[1] Included in Proceedings of 2014 IEEE MTT-S International Microwave Workshop Series on: RF and Wireless Technologies for Biomedical and Healthcare Applications (IMWS-Bio 2014), held 8-10 December 2014, Canary Wharf, London, United Kingdom.
Uncontrolled Keywords:	blood-flow, circular polarisation, human tissue, microstrip patch antenna, quadrature hybrid coupler
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Faculty / School / Research Centre / Research Group:	Faculty of Engineering & Science Faculty of Engineering & Science > School of Engineering (ENG)
Related URLs:	Publisher Organisation
Last Modified:	08 Nov 2019 12:42
URI:	http://gala.gre.ac.uk/id/eprint/12315

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