Study of Isosceles Trapezoidal Edge Tapered Phased Array Antenna for Solar Power Station/Satellite(Antennas and Propagation)
スポンサーリンク
概要
- 論文の詳細を見る
Minimizing the Side Lobe Level (SLL) and attain highest achievable Beam Collection Efficiency (BCE) is a critical goal for Solar Power Station/Satellite (SPS). If all antennas are uniformly excited then the main beam will carry only a part of the total energy due to the higher SLL. SLL is decreased and BCE is increased by adopting edge tapering for SPS. But edge tapering is a complex technical problem for SPS. So an optimization is needed between uniform amplitude distribution and edge tapering system. We have derived a new method of edge tapering called Isosceles Trapezoidal Distribution (ITD) edge tapering. Only a small number of antennas from each side of the phased array antenna are tapered in this method. ITD edge tapering is almost uniform so it is technically better. We have compared different amplitude distribution systems; uniform, Gaussian, Dolph-Chebyshev and the newly derived ITD method. The SLL reduction in ITD is even lower than those of other kinds of edge tapering. Therefore the amount of losing power in the SLL in ITD is lower. As a result the interference level becomes lower and BCE becomes higher in this method. The higher BCE and better SLL performance than those with uniform distribution can be achieved in ITD with phase error and under unit failed condition.
- 社団法人電子情報通信学会の論文
- 2007-04-01
著者
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Mitani Tomohiko
Laboratory Of Applied Radio Engineering For Humanosphere Rish Kyoto University
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Mitani Tomohiko
Research Institute For Sustainable Humanosphere Kyoto Univ.
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Shinohara Naoki
Laboratory Of Applied Radio Engineering For Humanosphere Rish Kyoto University
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Shinohara N
Kyoto Univ. Uji‐shi Jpn
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Shinohara Naoki
Radio Science Center Of Space And Atmosphere Kyoto University
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Shinohara Naoki
Research Institute For Sustainable Humanosphere Kyoto University
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Mitani Tomohiko
Research Institute For Sustainable Humanosphere (rish) Kyoto University
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Matsumoto H
Department Of Electronics And Bioinformatics Science And Technology Meiji University
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BAKI A.
Research Institute for Sustainable Humanosphere (RISH), Kyoto University
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HASHIMOTO Kozo
Research Institute for Sustainable Humanosphere (RISH), Kyoto University
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MATSUMOTO Hiroshi
Research Institute for Sustainable Humanosphere (RISH), Kyoto University
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Baki A.
Research Institute For Sustainable Humanosphere Kyoto University
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Hashimoto Koichi
Research Institute For Sustainable Humanosphere Kyoto University
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Shinohara Naoki
Research Institute for Sustainable Humanosphere (RISH), Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
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