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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >Additively manufactured trapezoidal grooves for wideband and high gain Ku-band antenna
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Additively manufactured trapezoidal grooves for wideband and high gain Ku-band antenna

机译：用于宽带和高增益Ku波段天线的增材制造梯形凹槽

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摘要

Grooves around aperture antennas are known to be instrumental in obtainingdirective antenna patterns. The shapes of the grooves are often restricted torectangular or triangular due to manufacturing difficulties in traditional metalmachining, and because of this reason, the effect of groove shape on antennaperformance is often overlooked. The aim of this study is to analyze differentgroove shapes with the help of additive manufacturing. Waveguide slot fed,dual cavity aperture antenna with grooves is designed and the effect of grooveshapes on antenna performance is studied at Ku band. Two antennas with andwithout grooves are built using 3D printing technology. Measured antennaperformance reveals 5 GHz bandwidth covering 10 to 15 GHz for Ku-band satellitecommunications and part of the X-band applications. Proposed antennaachieves 13.25 dBi peak gain at 14 GHz and the gain is better than 11.25 dBiover the entire Ku-band uplink and downlink frequency bands.
机译：已知孔径天线周围的沟槽有助于获得定向天线方向图。由于传统金属加工中的制造困难，通常将凹槽的形状限制为矩形或三角形，因此，常常忽略了凹槽形状对天线性能的影响。这项研究的目的是在增材制造的帮助下分析不同的沟槽形状。设计了带有槽的波导槽馈电，双腔孔径天线，研究了Ku频段槽形对天线性能的影响。使用3D打印技术构建了两个带有和不带有凹槽的天线。测得的天线性能揭示了用于Ku波段卫星通信和部分X波段应用的5 GHz带宽，覆盖10至15 GHz。拟议的天线在14 GHz时可实现13.25 dBi的峰值增益，并且在整个Ku频段上下行链路频段上的增益均优于11.25 dBi。

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