Ultra-wideband dielectric rod antenna for 18-40GHz frequency band
作者： Zhang Zhonglin , Nie Qiuyue , Lin Shu , Jiao Jianlin
DOI:
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摘要: The invention discloses an ultra-wideband dielectric rod antenna for 18-40GHz frequency band, and belongs to the technical field of radio. problems that existing is narrow in working band cannot completely cover 18-40 GHz, a directional diagram split at high are solved. outer conductor coaxial line fixedly connected with upper ridge waveguide through metal plate, inner lower animpedance conversion step, first section rectangular block structure located over impedance step. second symmetricallyarranged up down, opposite surfaces inclined surfaces, thicknesses gradually reduced direction from circular truncated cone section, transition inserted between waveguide, largeend clamped one end plurality air holes distributed axial cylindrical machined length block.
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