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首页> 外文期刊>Microwave and optical technology letters >DOUBLE-LAYERED COPLANAR PATCH ANTENNA ON CaLa{sub}4Ti{sub}5O{sub}17 HIGH-PERMITTIVITY SUBSTRATE WITH COPLANAR WAVEGUIDE FEED LINE
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DOUBLE-LAYERED COPLANAR PATCH ANTENNA ON CaLa{sub}4Ti{sub}5O{sub}17 HIGH-PERMITTIVITY SUBSTRATE WITH COPLANAR WAVEGUIDE FEED LINE

机译：CaLa {sub} 4Ti {sub} 5O {sub} 17双层共面共面膜天线，共面波导馈线

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摘要

In this article, the measurement results for the double-layered compact coplanar patch antenna with coplanar waveguide feed line at 2.5 GHz has been presented. With this technique, a 3.6% bandwidth (return loss < -10 dB) of center frequency at about 2.5 GHz has successfully been achieved. The copolarization radiation is strongest at θ ≌ 0° and 20° from the broadside in the xz- and yz-planes, respectively. The antenna has a 3 dB beam angle of about 90°. Peak antenna gain is about 4.4 dBi, with gain variations less than 1.0 dBi for frequencies within in the -10-dB S{sub}11 bandwidth. From the measured return loss, it was demonstrated that the bandwidth of coplanar patch antenna printed on CaLa{sub}4Ti{sub}5O{sub}17 high-permittivity substrate with coplanar waveguide feed line on FR{sub}4 substrate can be improved compared with conventional patch antenna.
机译：在本文中，介绍了具有2.5 GHz共面波导馈线的双层紧凑型共面贴片天线的测量结果。通过这种技术，已经成功实现了约2.5 GHz中心频率的3.6％带宽（回波损耗<-10 dB）。在xz平面和yz平面中，分别从宽边在θ≌0°和20°处，同极化辐射最强。天线的3 dB波束角约为90°。峰值天线增益约为4.4 dBi，对于-10-dB S {sub} 11带宽内的频率，增益变化小于1.0 dBi。从测量的回波损耗可以证明，可以改善在FR {sub} 4基板上共面波导馈电的CaLa {sub} 4Ti {sub} 5O {sub} 17高介电常数基板上印刷共面贴片天线的带宽与传统的贴片天线相比。

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