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首页> 外文会议>IEEE International Symposium on Antennas and Propagation >High-Efficiency Square-Aperture Horn Antenna with a Linear Spline Profile
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High-Efficiency Square-Aperture Horn Antenna with a Linear Spline Profile

机译：具有线性花粉轮廓的高效方形光圈喇叭天线

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摘要

The geometrical efficiency within an array cell of a square-aperture horn is supposed to be higher compared to a circular horn resulting in its suitability for array applications. In this article, the electromagnetic characterization of an HFSS-simulated horn antenna design is presented. The present work demonstrates a square-aperture horn antenna incorporated inside a rectangular parallelepiped metallic structure. The proposed horn consists of a rectangular waveguide segment, a linearly spline-profiled section, and a square aperture-with a loaded polyethylene dielectric lens-directed to free space. At 10 GHz, aperture efficiency is improved to 95.4 % and the design produces nearly equal 3 dB and 10 dB beamwidth patterns in both H- and E-planes. The generation of higher order mode coefficients was analyzed while VSWR and radiation pattern were also simulated across the X-band.
机译：与圆角相比，方形孔角喇叭的阵列单元内的几何效率应该更高，导致其适用于阵列应用。在本文中，提出了HFSS模拟喇叭天线设计的电磁特征。本作工作演示了一种掺入长方体的金属结构内的方形孔角天线。所提出的喇叭由矩形波导段，线性样条分布的部分和方形孔组成 - 具有加载的聚乙烯介电镜头 - 引导到自由空间。在10 GHz，光圈效率提高到95.4％，设计在H和E-PLAPES中产生几乎等于3 dB和10dB的波束宽度图案。分析了高阶模式系数的同时在X波段上模拟VSWR和辐射模式。

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