A Radial Line Slot Antenna Fed by a Rectangular Waveguide through a Crossed Slot(Antenna and Propagation)
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概要
- 論文の詳細を見る
A rectangular-to-radial waveguide transformer through a crossed slot is proposed as a feeder of a radial line slot antenna (RLSA) for use in a system of solar power satellite (SPS). The transformer is analyzed and designed by using the MoM with numerical eigenmode basis functions. The measured ripple of the amplitude is 3.0 dB in the φ-direction and a 7.0% frequency bandwidth for rotating mode with the ripple below 6 dB is obtained. This bandwidth is wider than that of conventional ring slot or cavity resonator with a coaxial feeder. The antenna measurements at 5.8 GHz show reasonable rotational symmetry both in the near-field distribution and the far field radiation patterns. The reflection is -27.7 dB at the design frequency and below -15 dB in the 7.0% bandwidth. The gain of the antenna with the diameter of 300 mm is 22.7 dBi and the efficiency is 56%.
- 社団法人電子情報通信学会の論文
- 2003-10-01
著者
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HIROKAWA Jiro
Department of Electrical and Electronic Engineering, Tokyo Institute of Technology
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ANDO Makoto
Department of Electrical and Electronic Engineering, Tokyo Institute of Technology
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Ando M
Department Of Electrical And Electronic Engineering Tokyo Institute Of Technology
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Ando Makoto
The Authors Are With The Department Of Electrical And Electronic Engineering Tokyo Institute Of Tech
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Hirokawa Jiro
Department Of Electrical & Electronic Engineering Faculty Of Engineering Tokyo Institute Of Tech
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SUDO Kaoru
Department of Electrical and Electronic Engineering, Tokyo Institute of Technology
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IRANO Takuichi
Department of Electrical and Electronic Engineering, Tokyo Institute of Technology
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Sudo Kaoru
Department Of Electrical And Electronic Engineering Tokyo Institute Of Technology
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Irano Takuichi
Department Of Electrical And Electronic Engineering Tokyo Institute Of Technology
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Ando Makoto
Department Of Cardiovascular Surgery Sakakibara Heart Institute
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Ando Makoto
Department Of Applied Physics Faculty Of Engineering Tokyo University Of Agriculture And Technology
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