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Analysis of Huge-Scale Periodic Array Antenna Using Impedance Extension Method
Keisuke KONNO Qiang CHEN Kunio SAWAYA Toshihiro SEZAI
IEICE TRANSACTIONS on Communications
Publication Date: 2009/12/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Antennas and Propagation
Method of Moments(MoM), impedance extension method, huge periodic array antenna,
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An extreamly large scale periodic array antenna is required for transmitting power from space solar power systems. Analysis of the huge-scale array antenna is important to estimate the radiation property of the array antenna, but a full-wave analysis requires too much computer memory and excessive CPU time. In order to overcome these difficulties, the impedance extension method is proposed as a method of approximate analysis for huge periodic array antennas. From the results of actual gain pattern obtained by the proposed method and its relative error, it is shown that edge effects of a huge-scale array antenna can be ignored in calculating the radiation property.