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Ultra High-Gain Displaced-Axis Metal Reflectarray Antenna for Millimeter-Wave Region
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 Title & Authors
Ultra High-Gain Displaced-Axis Metal Reflectarray Antenna for Millimeter-Wave Region
Yi, Minwoo; Yang, Jongwon; Lee, Woosang; Jang, Won; So, Joonho;
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 Abstract
We design a displaced-axis Gregorian dual antenna in the form of a metal reflectarray antenna for millimeter wave region, W-band. Unlike a reflectarray composed of printed patch antennas on a dielectric substrate, metallic rectangular waveguide unit-cells are proposed to avoid the loss of substrate and take an advantage of ease of typical metal machining fabrication. In this paper, the radiation characteristics of constructed metal reflectarray antennas show ultra high-gain antenna over 50 dBi at a target frequency in W-band. The experimental measurements are conducted in millimeter-wave compact range antenna measurement system.
 Keywords
Reflectarray Antenna;Waveguide;Displaced-Axis Antenna;Corrugation Waveguide;Millimeter;
 Language
Korean
 Cited by
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