Presentation 2004/12/13
Feed Structures for Dielectric Lens Antenna with Low Sidelobes
Takashi SHIMIZU, Tsukasa YONEYAMA,
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Abstract(in English) In this paper, feed structures are discussed for a dielectric lens antenna with low sidelobe level. Feed structures using NRD guide, rectangular waveguide, circular waveguide and microstrip patch antenna are investigated by simulations and measurements. As a result, it is verified that low sidelobe characteristics can be obtained when NRD guide, rectangular waveguide and circular waveguide are used for the feeding structure. A fabricated dielectric lens antenna with diameter of 32mm, for instance, exhibited excellent .performance such as 24.9dBi gain, 27dB sidelobe level suppression and 9-degree half-power width.
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Keyword(in English) millimeter wave / dielectric lens antenna / low sidelobe level / NRD-guide / waveguide
Paper # MW2004-209
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Committee MW
Conference Date 2004/12/13(1days)
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Registration To Microwaves (MW)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Feed Structures for Dielectric Lens Antenna with Low Sidelobes
Sub Title (in English)
Keyword(1) millimeter wave
Keyword(2) dielectric lens antenna
Keyword(3) low sidelobe level
Keyword(4) NRD-guide
Keyword(5) waveguide
1st Author's Name Takashi SHIMIZU
1st Author's Affiliation High-Tech Research Center, Tohoku Institute of Technology()
2nd Author's Name Tsukasa YONEYAMA
2nd Author's Affiliation Environmental Information Engineering, Tohoku Institute of Technology
Date 2004/12/13
Paper # MW2004-209
Volume (vol) vol.104
Number (no) 536
Page pp.pp.-
#Pages 6
Date of Issue