法国号角
喇叭天线
材料科学
锥面
馈电喇叭
天线(收音机)
Ka波段
光学
光电子学
定向天线
缝隙天线
电气工程
声学
复合材料
辐射模式
工程类
物理
潜望镜天线
作者
Ian Goode,Aditya Singh,Carlos E. Saavedra
标识
DOI:10.1109/iceaa57318.2023.10297679
摘要
The viability of stainless steel as the constituent material for 3D printed corrugated conical horn antennas at Ka Band is explored in this work. Three identical corrugated antennas are fabricated to assess the impact of different levels of post processing on the metal surface. A fourth conical horn antenna without corrugations was fabricated using the same metal 3D printing process. This ‘basic’ horn antenna is used as a baseline performance comparator for the corrugated horns. Measurements show that the 3D printed corrugated horn can deliver a peak realized gain of 19.3 dBi at 38.5 GHz and a cross-polar discrimination (XPD) in the $\vec{E}$ plane below 22.8 dB at 28 GHz and below 27.5 dB at 40 GHz. The XPD performance in the $\vec{H}$ is below 23 dB at 28 GHz and below 32.8 dB at 40 GHz.
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