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A study on phase improvement of focusing dielectric lens horn antenna using dielectric slab

机译:利用电介质平板改善聚焦电介质透镜喇叭天线相位的研究

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摘要

The uniform phase planes of the radiated beam in the E- and H-planes are located at different distances from the lens horn aperture due to its asymmetric TE mode aperture distribution. A new method by attaching a simple dielectric slab on the lens surface is proposed for matching the distances. The both uniform phase planes are formed 55 mm away from an antenna aperture with the dielectric slab with thickness of 13 mm for 60 mm antenna aperture at 50 GHz. As a result, the slab improves the phase deviation in the H-plane by 12 degree, and the validity of the proposed method is indicated.
机译:由于其不对称的TE模式光圈分布,E和H平面中辐射光束的均匀相平面位于距镜头角光圈不同的距离处。提出了一种通过在透镜表面附着简单的介电平板来匹配距离的新方法。两个均匀的相位平面形成为与天线孔径相距55 mm,并且对于50 GHz的60 mm天线孔径而言,电介质平板的厚度为13 mm。结果,平板将H平面中的相位偏差提高了12度,并表明了所提方法的有效性。

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