A Lightweight Radial Line Slot Antenna with Honeycomb Structure for Space Use
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概要
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A lightweight and high gain planar antenna for space use is realized with radial waveguide slotted array and honeycomb structure with the weight of 1.16kg and the diameter of 920.5mm. The slot coupling is analyzed by method of moments considering the hybrid mode in the multi-layer waveguide structure. The propagation constant of the honeycomb structure is measured and the low-loss property is obtained at the frequency range of 8GHz. The fabricated RLSA is measured and the reflection is around -10dB in 8GHz band. The measured aperture fields agree with the calculation in the radial direction. In the azimuthal direction, on the other hand, the fields show ripples of 6dB and 60 degree. The gain of 35.9dBi with the efficiency of 58.7% is obtained at 8.6GHz.
- 2008-03-01
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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Ueda Hideki
Department of Surgery, Course of Interventional Medicine (E1), Osaka University Graduate School of M
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ANDO Makoto
Tokyo Institute of Technology
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Amano Osamu
Space Engineering Division Nec/toshiba Space Systems Ltd.
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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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KAMATA Yukio
Institute of Space and Astronautical Science of JAXA
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Ando Makoto
Department Of Electrical & Electronic Engineering Tokyo Institute Of Technology
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Ueda Hideki
Department Of Electrical & Electronic Engineering Tokyo Institute Of Technology
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Ando Makoto
Department Of Cardiovascular Surgery The Sakakibara Heart Institute
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Ueda Hideki
Department Of Cardiovascular Surgery Kkr Sapporo Medical Center
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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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Amano Osamu
NEC-Toshiba Space Systems
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