Title :
A broadband circular polarization cavity antenna
Author :
Zhang Kai ; Li Jianying ; Yang Yi ; Xu Rui
Author_Institution :
Sch. of Electron. & Inf., Northwestern Polytech. Univ., Xi´an, China
Abstract :
A novel circularly polarized open-end circular waveguide antenna is studied. A pair of metal blocks is added to the circular waveguide cavity to generate circular polarization. The dimension of the metal blocks is adjusted for achieving good axial ratio characteristics of the new antenna. The frequency band is about 27.7% when s11 is less than -15dB. The axial ratio is better than 3dB over 19.3% frequency band.
Keywords :
antenna radiation patterns; circular waveguides; waveguide antennas; circular polarization; frequency band; metal blocks; novel circularly polarized open-end circular waveguide antenna; Arrays; Broadband antennas; Cavity resonators; Metals; Polarization; circular polarization Antenna; high power; waveguide;
Conference_Titel :
Antennas and Propagation (APCAP), 2014 3rd Asia-Pacific Conference on
Conference_Location :
Harbin
Print_ISBN :
978-1-4799-4355-5
DOI :
10.1109/APCAP.2014.6992430
