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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >High-gain dual-polarized antenna for ultrawideband applications
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High-gain dual-polarized antenna for ultrawideband applications

机译：用于超广域带应用的高增益双极化天线

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摘要

In this article, a high-gain and dual-polarized antenna with UWB operation is proposed. The antenna is composed of two tapered dipoles as radiating elements, which are arranged orthogonally and fed perpendicularly to achieve polarization diversity. A metallic cavity reflector is placed behind the radiator for high gain radiation entire the operating bandwidth. To validate the design method, an antenna prototype is designed, fabricated, and measured. The measured results demonstrate that the proposed design has good performance with |S-11| = -10 dB and isolation = 20 dB over a frequency band 3.2-8.8 GHz, equivalently to about 93.3%. In addition, unidirectional radiation pattern and broadside gain of from 8.1 to 11.8 dBi are obtained across the operating bandwidth.
机译：在本文中，提出了具有UWB操作的高增益和双极化天线。天线由两个锥形偶极子组成，作为辐射元件，其垂直布置并垂直地馈送以实现偏振分集。金属腔体反射器被放置在散热器后面，以进行高增益辐射整个操作带宽。为了验证设计方法，设计，制造和测量天线原型。测量结果表明，所提出的设计具有良好的性能| S-11 | <= -10 dB和隔离> = 20 dB在频段3.2-8.8GHz上，同等为约93.3％。此外，在操作带宽中获得单向辐射图案和从8.1到11.8dBi的宽边增益。

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