| 摘要 |
A horn array type antenna for a dual linear polarization is provided to minimize loss due to reduction of a width of a branch tube by forming a plurality of steps. A horn array type antenna for a dual linear polarization includes a horn, a first polarization guide, a second polarization guide, and a polarization filtering unit(20). The polarization filtering unit connects the horn and the first polarization guide. The polarization filtering unit includes a plurality of steps(25) on one side and a width thereof is narrower as reaching the first polarization guide. The first polarization guide includes first to fourth guide tubes, a first intermediation tube, a second intermediation tube, and a first mixer tube.
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