An antipodal Vivaldi antenna with a compact parasitic patch to overcome radiation performance degradations in the high-frequency band is proposed. For this purpose, a double asymmetric trapezoidal parasitic patch is designed and added to the aperture of an antipodal Vivaldi antenna. The proposed antenna has a peak gain greater than 7 dBi over the frequency range of 6–90 GHz.
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Bekimetov, A.F.; Bobojanov, S.G’.; Samandarov, B.G’.; and Kuchkarov, V.A.
"Modelling and Analysis of Vivaldi Antenna Structure Design for Broadband Communication Systems,"
Acta of Turin Polytechnic University in Tashkent: Vol. 9
, Article 2.
Available at: https://uzjournals.edu.uz/actattpu/vol9/iss4/2