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Dielectric loaded horn antennas having improved radiation characteristics
Dielectric loaded horn antennas having improved radiation characteristics
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机译:具有改善的辐射特性的介电负载号角天线
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摘要
An H-plane sectoral horn antenna is loaded with low-loss dielectric insertsn alternative embodiments so as to reduce beamwidth, increase axial gain and to achieve non-mechanical beam scanning. In one embodiment, the antenna is transversely loaded with a multi-layer dielectric array containing an air gap of critical thickness between four dielectric strips. In another embodiment, the antenna is longitudinally and symmetrically loaded with wedge-shaped dielectric strips separated by a critical air gap between the dielectric and antenna walls.
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