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http://dx.doi.org/10.5515/KJKIEES.2018.29.5.389

Front-to-Back Ratio Improvement of a High-Power Horn Antenna  

Shin, Jae-Yoon (Department of Radio and Information Communications Engineering, Chungnam National University)
Shim, Hong-Suk (Hanwha Systems)
Lee, Byung-Hyun (Hanwha Systems)
Lee, Jung-Ran (Hanwha Systems)
Woo, Jong-Myung (Department of Radio and Information Communications Engineering, Chungnam National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.29, no.5, 2018 , pp. 389-392 More about this Journal
Abstract
Herein, a horn antenna that has the maximum back lobe reduction characteristic using a corrugated structure at 1.57 GHz for a high-power microwave system is proposed. The back-lobe characteristics of the proposed antenna was optimized using simulation as the number of corrugated structures increase, and the three-staged corrugated structure was designed. Consequently, the front-to-back ratio(FBR) of the fabricated antenna is 47.2 dB, which is improved by 23.7 dB based on that of the basic horn antenna, i.e., 23.47 dB.
Keywords
Corrugated Structure; Front-to-Back Ratio; Radiation Patterns; Horn Antenna; High Power;
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