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http://dx.doi.org/10.5515/KJKIEES.2016.27.12.1027

A Study on Radiator of VHF-Band Active Electronically Scanned Array with the Trapezoidal Dipole Structure Using Meander-Line  

Park, Dae-Sung (Hanwha Systems)
Ko, Young-Kwan (Hanwha Systems)
Choi, Jae-Hoon (Department of Electronics & Computer Engineering, Hanyang University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.27, no.12, 2016 , pp. 1027-1035 More about this Journal
Abstract
In this paper, the method to miniaturize the radiating element of a VHF-band active electronically scanned array is proposed. The length of the proposed dipole having trapezoidal shape structure is miniaturized using meander line while the performance degradation is minimized. The grid reflector is used to improve the antenna directivity and insensitivity due to the outer environment. In addition, the antenna is designed to take into account for array application. The fabricated antenna has a 9.1 % fractional bandwidth for the voltage standing wave ratio(VSWR) 2:1 and the maximum gain of 4.24 dBi. The front-to-back ratio(FBR) is larger than 15 dB.
Keywords
VHF Band; Active Electronically Scanned Array; Antenna; Radiator; Miniaturization; Meander Line;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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