A UWB Unidirectional Antenna With Dual-Polarization

A UWB Unidirectional Antenna With Dual-Polarization

A novel ±45 ° dual-polarized unidirectional antenna element is presented, consisting of two cross center-fed tapered mono-loops and two cross electric dipoles located against a reflector for ultrawideband applications. The operation principle of the antenna including the use of elliptically tapered...

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Veröffentlicht in:IEEE transactions on antennas and propagation 2011-11, Vol.59 (11), p.4033-4040
Hauptverfasser: BIQUN WU, LUK, Kwai-Man
Format: Artikel
Sprache:eng
Schlagworte:
Antenna measurements
Antenna radiation patterns
Antennas
Applied sciences
Bandwidth
Dipole antenna
Dipole antennas
directional antennas
Electric dipoles
Energy transmission
Energy use
Exact sciences and technology
Magnetoelectric effects
microstrip antennas
Noise levels
Ports
Radiocommunications
Reflector antennas
Reflectors
Telecommunications
Telecommunications and information theory
Ultra wideband antennas
Ultrawideband
ultrawideband (UWB) antennas
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Beschreibung
Zusammenfassung:A novel ±45 ° dual-polarized unidirectional antenna element is presented, consisting of two cross center-fed tapered mono-loops and two cross electric dipoles located against a reflector for ultrawideband applications. The operation principle of the antenna including the use of elliptically tapered transmission line for transiting the unbalanced energy to the balanced energy is described. Designs with different reflectors-planar or conical-are investigated. A measured overlapped impedance bandwidth of 126% (SWR
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2011.2164189