A broadband circularly polarized antenna array for beamforming applications in X-band
Antennas and Propagation Society International Symposium(2014)
摘要
This paper presents a 4-element bidirectional antenna array with broadband circular polarization (CP) property in X-band for beamforming applications. The antenna element achieved CP characteristics by the asymmetrical Y-shaped feeding line with 10-dB return loss bandwidth of 31.4%, in which the AR is less than 2 dB. The simulated array achieves an impedance bandwidth antenna of 39.3%, in which the AR is less than 3 dB; the simulated radiation pattern shows a near symmetry bidirectional radiation with the peak gain of 11.6 dBi.
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关键词
antenna feeds,antenna radiation patterns,array signal processing,broadband antennas,directive antennas,microwave antenna arrays,4-element bidirectional antenna array,ar,cp property,x-band,antenna element,asymmetrical y-shaped feeding line,beamforming applications,broadband circularly polarized antenna array,impedance bandwidth antenna,loss 10 db,near symmetry bidirectional radiation,simulated radiation pattern,x band,gain
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