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Analysis of Axially Displaced Ellipse Gregorian Dual Reflector Antennas  

임성빈 (단국대학교 전자컴퓨터학부)
최경국 (삼성전자 TN총괄 네트웍사업부)
최학근 (단국대학교 전자컴퓨터학부)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.14, no.11, 2003 , pp. 1161-1169 More about this Journal
Abstract
In this paper, ADE(Axially Displaced Ellipse) Gregorian dual reflector antennas, which are the special form of Gregorian dual reflector antennas, were analyzed. In the procedure of antenna analysis, the aperture field distribution was obtained by using the geometrical optics and their far-field radiation characteristics were analyzed by using the aperture field method. The analysis results such as antenna efficiency, HPBW(Half Power Beam Width), FNBW(First Null Beam Width), and FSL(First Sidelobe Level) were presented as functions of edge taper and size of main reflector and subreflector. From the results in this paper, we could confirm that ADE reflector antennas have the different radiation characteristics from the classical dual reflector antennas.
Keywords
ADE; Dual Reflector Antenna; Aperture Field Method; Gregorian;
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