Title :
Investigation of wideband millimetre-wave reflectarrays for radar applications operating in the W Band
Author :
Lanteri, J. ; Zeitler, A. ; Dauvignac, J.-Y. ; Pichot, Ch ; Migliaccio, C. ; Feil, P. ; Menzel, W.
Author_Institution :
LEAT, Valbonne
Abstract :
This paper describes the investigations conducted at the LEAT for wideband reflectarrays. Two antenna structures are presented. The first one is an offset reflectarray operating at the centre frequency of 94 GHz with a prolate horn as primary feed for wideband operation purpose. 17% gain bandwidth at 3 dB was obtained. The second one is a cosecans square folded reflectarary operating in the 76-81 GHz band.
Keywords :
broadband antennas; millimetre wave antenna arrays; radar antennas; reflector antennas; LEAT; W-band; antenna feed; antenna structure; cosecans square folded reflectarary; frequency 76 GHz to 81 GHz; frequency 94 GHz; prolate horn; radar application; wideband millimetre-wave reflectarray; Antenna measurements; Antenna radiation patterns; Bandwidth; Feeds; Frequency measurement; Gain measurement; Programmable control; Radar antennas; Radar applications; Wideband;
Conference_Titel :
Antennas and Propagation, 2009. EuCAP 2009. 3rd European Conference on
Conference_Location :
Berlin
Print_ISBN :
978-1-4244-4753-4
Electronic_ISBN :
978-3-00-024573-2
