| 摘要 |
A circular polarization antenna is provided to intensify radio waves in a service region by differentially parallel-feeding vertically arranged feed elements. A circular polarization antenna includes N radiators(106-1 to 106-n), a low-band reflection plate(102), a parallel-feeding unit, and an antenna supporting unit. The N radiators have upper and lower horizontal radiators(H1-Hn) and left and right vertical radiators(V1-Vn) arranged in a rectangular shape. The low-band reflection plate reflects radiation outputs of the radiators forward. The parallel-feeding unit differentially parallel-feeds the vertically arranged N radiators. The antenna supporting unit is composed of components for supporting the radiators, the reflection plate, and the parallel-feeding unit.
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