Touseef Hayat, M. Afzal, F. Ahmed, A. Lalbakhsh, K. Esselle
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引用次数: 1
摘要
本文提出了一种可3D打印的多孔上覆层(PS)，用于提高中低增益天线的定向辐射性能。PS的设计过程基于近场相位校正理论。通过PS的传输相位通过改变PS不同部分穿孔的大小而局部改变。PS设计用于使用丙烯腈-丁二烯-苯乙烯(ABS)长丝的谐振腔天线(RCA)。采用PS后，RCA孔径相位相对平坦，孔径指向性提高7.2 dB (14.8 dB ~ 22 dB)，旁瓣电平降低8.2 dB，孔径效率提高31%。
3D Printable Lightweight Porous Superstrate for Improved Radiation Performance of Antenna
The paper presents a 3D printable porous superstrate (PS) to enhance directive radiation performance of low to medium gain antennas. The PS design process is based on the theory of near-field phase correction. Transmission phase through PS is locally varied by changing sizes of perforations in different sections of the PS. The PS is designed for a resonant cavity antenna (RCA) using acrylonitrile butadiene styrene (ABS) filament. With PS the RCA aperture phase is relatively planar and its directivity in boresight direction is increased by 7.2 dB (14.8 dB to 22 dB) along with 8.2 dB reduction in side-lobe levels (SLL) and 31% increase in aperture efficiency.
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