A Miniaturized Antipodal Vivaldi Antenna With Improved Radiation Characteristics

A Miniaturized Antipodal Vivaldi Antenna With Improved Radiation Characteristics

In this letter, a modified antipodal Vivaldi antenna is presented. A novel tapered slot edge (TSE) structure is employed in this design. The proposed TSE has the capacity to extend the low-end bandwidth limitation and improve the radiation characteristics in the lower frequencies. A prototype of the...

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Veröffentlicht in:IEEE antennas and wireless propagation letters 2011, Vol.10, p.127-130
Hauptverfasser: Fei, Peng, Jiao, Yong-Chang, Hu, Wei, Zhang, Fu-Shun
Format: Artikel
Sprache:eng
Schlagworte:
Antenna measurements
Antenna radiation patterns
Antipodal Vivaldi antenna (AVA)
Frequency measurement
Slot antennas
tapered slot edge (TSE)
Vivaldi antennas
Wideband
wideband antenna
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Zusammenfassung:In this letter, a modified antipodal Vivaldi antenna is presented. A novel tapered slot edge (TSE) structure is employed in this design. The proposed TSE has the capacity to extend the low-end bandwidth limitation and improve the radiation characteristics in the lower frequencies. A prototype of the modified antenna is fabricated and experimentally studied as well. The measured results show reasonable agreement with the simulated ones that validate the design procedure and confirm the benefits of the modification.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2011.2112329