3-D waveguide FSS by coaxial square tubes
作者： Baozhu Li , Wanchun Tang , Jinqun Ge , Zhengyong Yu , Huali Lu
DOI: 10.1109/ICEAA.2017.8065632
关键词: Band-pass filter 、 Coaxial 、 Telecommunications 、 Square (algebra) 、 Fabrication 、 Printed circuit board 、 Transmission (telecommunications) 、 Waveguide 、 Frequency response 、 Physics 、 Acoustics
摘要: In this paper, a novel three-dimensional frequency selective structure (3-D FSS) based on the waveguide concept is proposed. The unit cell of 3-D FSS formed by coaxial square tubes (CoSTs), which provides two propagation paths between adjacent tubes. Moreover, gap cells forms another path. three will introduce transmission poles and zeros. With proper design, proposed exhibits stable third-order bandpass response under oblique incident angles for dual polarizations. Mode analysis presented understanding FSS. addition, using printed circuit board (PCB) technique, are easy fabrication.
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