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RECTANGULAR HORN ANTENNAS WITH LIMITING PLATES FOR SYMMETRICAL PATTERN AND BEAM EFFICIENCY IMPROVEMENT

By M. Fartookzadeh, M. S. Ghaffarian, A. Zamani, and R. Fatemi

Full Article PDF (2,207 KB)

Abstract:
This paper proposes a horn antenna with limiting plates inside to produce symmetrical pattern in E-plane and H-plane. Sidelobes of the antenna are reduced using the limiting plates, and therefore, the beam efficiency of the antenna is improved up to 90 % without changing the antenna dimensions. The antenna dimensions are adjusted to achieve the best beam efficiency. Simultaneously, the reflection coefficient is maintained lower than -15 dB. In addition, it is indicated that this antenna has wide bandwidths without reducing the efficiency and performance of the antenna. Finally, the reflection coefficient is improved to -20 dB without degradation of the antenna performance.

Citation:
M. Fartookzadeh, M. S. Ghaffarian, A. Zamani, and R. Fatemi, "Rectangular Horn Antennas with Limiting Plates for Symmetrical Pattern and Beam Efficiency Improvement," Progress In Electromagnetics Research C, Vol. 69, 63-71, 2016.
doi:10.2528/PIERC16090602

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