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New broadband circularly polarized antenna with an inverted F-shaped feedline

机译:具有倒置F形馈线的新型宽带圆偏振天线

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In this article, we present a new broadband CP square-slot antenna with an inverted F-shaped feed-line. The antenna is composed of an inverted F-shaped feed-line, pairs of isosceles triangular chamfers, I-shaped slots, rectangular slots and triangular patches, and a Z-shaped strip. By introducing these strips and slots into the square-slot, multiple CP modes can be stimulated simultaneously, which eventually enhances 3-dB ARBW and 10-dB impedance bandwidth (IBW) of the presented antenna. The measured results show that its IBW (|S11| < −10 dB) is about 7.2 GHz (87.8% from 4.6 to 11.8 GHz) and its ARBW (AR < 3 dB) is 8.3 GHz (96% from 4.5 to 12.8 GHz).
机译:在本文中,我们介绍了一种具有倒F形馈线的新宽带CP方槽天线。天线由倒F形进料管组成,等载体对三角形倒角,I形槽,矩形槽和三角形贴片,以及Z形条带。通过将这些条带和插槽引入方形时隙中,可以同时激发多个CP模式,最终增强所呈现的天线的3-DB ARBW和10-DB阻抗带宽(IBW)。测量结果表明,其IBW(| S11 | <-10dB)约为7.2GHz(4.6至11.8 GHz 87.8%),其ARBW(AR <3 dB)为8.3 GHz(从4.5到12.8 GHz 96%) 。

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