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- Title
SINGLE-FEED CIRCULARLY POLARIZED ANNULAR SLOT ANTENNA FOR DUAL-BROADBAND OPERA- TION.
- Authors
Cai, Yuan-Ming; Zheng, Shu-Feng; Yin, Ying-Zeng; Xie, Jiao-Jiao; Ke Li
- Abstract
A novel dual-broadband circularly polarized folded slot antenna with single-feed is presented. The proposed antenna consists of two folded annular slots. By adjusting the asymmetric widths of the two slots, circularly polarized radiation can be achieved in two di®erent bands. By optimizing the parameters of the proposed antenna, two wide impedance bandwidths of 35.0% (1.91{2.72 GHz) and 46.5% (4.36{7.00 GHz) can be obtained, and two axial ratio bandwidths are 2.36{2.56 GHz and 5.68{6.04 GHz, respectively. The antenna with simple structure is fabricated and measured. Good agreement between the simulated and measured results is also achieved.
- Subjects
POLARIZATION (Electricity); ANNULAR flow; SLOT antennas; BROADBAND antennas; PARAMETER estimation; BANDWIDTHS; ELECTRIC impedance
- Publication
Progress in Electromagnetics Research C, 2013, Vol 39, p91
- ISSN
1937-8718
- Publication type
Article
- DOI
10.2528/pierc13022704