Browsing by Author "Pehlivan, Mustafa"

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    Ultra-Wideband Antenna Design and Optimization for Constant 10-dB Beamwidth in E-Plane
    (Institute of Electrical and Electronics Engineers Inc., 2024) Mustafa Pehlivan; Jian Yang; Yavuz Öztürk; Mustafa Seçmen; Yang, Jian; Secmen, Mustafa; Pehlivan, Mustafa; Ozturk, Yavuz
    The quad ridged horn antenna (QRHA) is designed with constant 10 dB beamwidth in the E-plane over 1 - 19 GHz band. The antenna is occurring from 2 parts which are coaxial to a waveguide adapter and a flare section. Higher order modes are suppressed by minimum of 16 dB using pyramidal back cavity in the adapter section. The VSWR of the antenna is below 2 in range of 2 - 20 GHz. The average of 10 dB beamwidth of the antenna is about 125°with maximum deviation of 9% in the desired band. Also the phase center variation is below λ/4 for the entire band. © 2024 Elsevier B.V. All rights reserved.