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An Experimental Study on Shaping Flat-Topped Element Patterns of a Multi-layered Disk Array Structure Excited by Cross-Dipole Elements  

엄순영 (한국전자통신연구원)
박한규 (연세대학교 전기전자공학과)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.14, no.7, 2003 , pp. 712-720 More about this Journal
Abstract
In this paper, a multi-layered metallic disk array structure(MDAS) excited by cross-dipole elements was proposed for efficiently shaping of flat-topped element patterns(FTEP) with circular polarization. The MDAS excited by cross-dipole elements has advantages to decrease in volume and weight of an overall array antenna and so, it is appropriate for the FTEP applications of a ralativlely low frequency band. In order to verify the effectness of this structure, the MDAS breadboard operated at X-band(7.9 ∼ 8.4 GHz) was fabricated, and its design parameters were experimentally optimized on the basis of the previous design experience. The experimental results were shown that the MDAS could shape good FTEPs of ${\pm}$20$^{\circ}$beam width at least within a 6.1 % frequency band.
Keywords
Array Antenna; Flat-topped Element Pattern; Multi-layered Disk Array Structure;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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