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An Equivalent Double Layer Model for a Fast Design and Analysis of High Gain-Multilayer Radial Line Slot Antennas
Tung NGUYEN Rushanthi JAYAWARDENE Yasutomo TAKANO Kimio SAKURAI Jiro HIROKAWA Makoto ANDO Osamu AMANO Shuichi KOREEDA Takaomi MATSUZAKI Yukio KAMATA
IEICE TRANSACTIONS on Communications
Publication Date: 2013/11/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Antennas and Propagation
satellite application, high gain, method of moments, honeycomb, multilayer, radial line slot antenna,
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Light weight RLSAs with a honeycomb-type parallel plate are promising candidates for satellite antennas. However, the design of slot lengths and positions in honeycomb RLSAs consisting of a core, skin and adhesive layers involves time-consuming EM analysis. In this paper, an equivalent double layer model is devised for fast slot coupling analysis by the Method of moments (MoM) together with a simplified array design procedure. A fabricated antenna with a diameter of 900mm demonstrates the high directivity of 48.3dBi and a gain of 44.6dBi at 32GHz, with the reflection below -15dB. This antenna weighs only 1.16kg.