A novel compact UHF wideband antenna for near field electrical characterization of Steel Fiber Reinforced Concrete
2009 (English)In: European Conference on Antennas and Propagation, EuCAP 2009, Proceedings, 2009, 2393-2397 p.Conference paper (Refereed)
A novel, electrically small, UHF (350 MHz-750 MHz) microstrip slot antenna is presented. The antenna is designed for the characterization of Steel Fiber Reinforced Concrete (SFRC) segments. The antenna consists on a three layer structure headed by the slot ground plane, followed by the feeding microstrip in the central layer with some resistive loading for bandwidth enhancement purposes; finally on the bottom layer a strip line reflector is positioned to provide a unidirectional radiation pattern, required for harsh environments. The whole design has been optimized in front of SFRC for maximum impedance bandwidth. Input impedance and radiation pattern are studied both theoretically and experimentally, and some laboratory measurements have been done on real SFRC specimens. Satisfactory results for the fiber density of SFRC are presented.
Place, publisher, year, edition, pages
2009. 2393-2397 p.
Antenna arrays, Antenna grounds, Building materials, Concrete buildings, Electric impedance, Reinforced concrete, Slot antennas, Steel
IdentifiersURN: urn:nbn:se:kth:diva-153574ISI: 000276522101089ScopusID: 2-s2.0-70349871384ISBN: 978-300024573-2OAI: oai:DiVA.org:kth-153574DiVA: diva2:753483
3rd European Conference on Antennas and Propagation, EuCAP 2009, 23 March 2009 through 27 March 2009, Berlin, Germany
QC 201410082014-10-082014-10-062014-10-08Bibliographically approved