Inclined Slot Array Antennas on a Hollow Rectangular Coaxial Line
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概要
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Slotted-waveguide array antennas are attractive because of their low-loss characteristics at high frequencies. Several types of slotted arrays whose polarization angles are inclined to the waveguide axis have been reported. In this paper, we propose a new type of slot array antenna on a rectangular coaxial line for minimizing the waveguide width. As opposed to a conventional waveguide, there is no “cut-off” concept in our proposal because the coaxial line is a transverse electromagnetic (TEM) line. Therefore it is possible to guide the wave even if the diameter of the line is much smaller than that of the waveguide. Moreover, the proposed antenna is a resonant slot array antenna that is based on standing-wave excitation and is thus different from traveling-wave antennas (such as a leaky coaxial cable (LCX)).
著者
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Nishizawa Kazushi
Information Technology R&d Center Mitsubishi Electric Corp.
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Miyashita Hiroaki
Information Technology R&d Center Mitsubishi Electric Corp.
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Konishi Yoshihiko
Information Technology R&d Center Mitsubishi Electric Corp.
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Tahara Yukihiro
Information Technology R&d Center Mitsubishi Electric Corporation
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Yamaguchi Satoshi
Information Technology R&d Center Mitsubishi Electric Corporation
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Takahashi Toru
Information Technology R&d Center Mitsubishi Electric Corporation
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TAHARA Yukihiro
Information Technology R&D Center, Mitsubishi Electric Corporation
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TAKAHASHI Toru
Information Technology R&D Center, Mitsubishi Electric Corporation
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NISHIZAWA Kazushi
Information Technology R&D Center, Mitsubishi Electric Corporation
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