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Design of Microstrip array antennas for Tx/Rx dual operation at X-band  

노행숙 (한국전자통신연구원 무선방송연구소)
윤재승 (한국전자통신연구원 무선방송연구소)
전순익 (한국전자통신연구원 무선방송연구소)
Abstract
Tx/Rx dual microstrip array antennas for satellite communications are designed, fabricated, and measured in this paper. They have a Right Handed Circular Polarization (RHCP) for Tx and Left Handed Circular Polarization (LHCP) for Rx. Two stacked patches are used for wideband characteristics and corner-truncated square patches are adopted for a circular polarization. To enhance bandwidth characteristics of a circular polarization, 2${\times}$1 sequential rotation mays are applied. From the measured results, 8${\times}$1 microstrip may antennas have a good agreement with those of the simulation. Therefore the array antennas are applicable to satellite communication antennas, active phased may antennas, and radiators in other antennas.
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