Development of Planar Antennas
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概要
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As a typical planar antenna in Japan, a microstrip antenna and radial lino slot antenna arc chosen and some original technologies are introduced for them. About the microstrip antenna, the analyzingmethod isdescribed first and the method based on the- theory of microstrip planar circuit [1], [2] born in Japan is introduced [3]. According to the formulas derived by this method, thedesign procedure considering the bandwidth is established [4]. In addition, it is shown clearly that a microstrip antenna can produce tlie circular polarizations at two kinds of frequencies with a single feed [5]. Furthermore, two kinds of broadband techniques [6], [7] born in Japan are picked up. About other unique microstrip antennas, they may be introduced in a suitable section each time. As for the RLSA, the history on invention is briefly presented. The radiation mechanisms depending on the slot-set arrangement and the excitation mode arc discussed. The slot-coupling analysis to simulate the excitation of a two-dimensional uniformlyexcited slot array is explained. The simple design based on the operation with traveling-wave propagation is also described. The
- 社団法人電子情報通信学会の論文
- 2003-03-01
著者
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HIROKAWA Jiro
Department of Electrical and Electronic Engineering, Tokyo Institute of Technology
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SUZUKI Yasuo
Faculty of Pharmaceutical Sciences, Tohoku University
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Hirokawa Jiro
Department Of Electrical And Electronic Engineering Tokyo Institute Of Technology
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Hirokawa Jiro
Department Of Electrical & Electronic Engineering Faculty Of Engineering Tokyo Institute Of Tech
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Suzuki Yasuo
Faculty Of Pharmaceutical Science Tohoku University
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Suzuki Yasuo
Faculty Of Engineering Takushoku University
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