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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >Dual-band circularly polarized dielectric resonator antenna for wireless applications
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Dual-band circularly polarized dielectric resonator antenna for wireless applications

机译：用于无线应用的双频圆极化电介质谐振器天线

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摘要

This letter investigates an integrated antenna configuration for WLAN/WiMAXrnapplications. The proposed composite antenna configuration is simply the groupingrnof ring dielectric resonator along with reformed square-shaped slot antenna. Threernsignificant characteristics of proposed article are: (1) aperture act as magneticrndipole and excite HE_(11δ) mode in ring dielectric resonator antenna; (2) reforming ofrnsquare aperture generates orthogonal modes in ring DRA and creates CP in lowerrnfrequency band; (3) annular-shaped Microstrip line along with reformed squarernaperture creates CP wave in upper frequency band. With the purpose of certifyingrnthe simulated outcomes, prototype of proposed structure is fabricated and tested.rnGood settlement is to be got between experimental and software generated outcome.rnExperimental outcomes show that the proposed radiating structure isrnoperating over 2 frequency bands that is, 2.88-3.72 and 5.4-5.95 GHz. Measuredrn3-dB axial ratio bandwidth in lower and upper frequency band is approximatelyrn9.52% (3.0-3.4 GHz) and 5.85% (5.64-5.98 GHz), respectively. These outcomesrnindicate that the proposed composite antenna structure is appropriate for WLANrnand WiMAX applications.
机译：这封信调查了用于WLAN / WiMAXrn应用程序的集成天线配置。所提出的复合天线配置仅是分组诺夫环电介质谐振器以及经过改良的方形缝隙天线。所提出的文章的三个重要特征是：（1）孔径充当磁偶极子并在环形介质谐振器天线中激发HE_（11δ）模式； （2）平方孔径的重整在环形DRA中产生正交模，并在较低的频带中产生CP； （3）环形微带线与重整的方形孔一起在较高频段产生CP波。为了验证模拟结果，制造并测试了所提出结构的原型。rn要在实验结果和软件产生结果之间取得良好的解决。rn实验结果表明，所提出的辐射结构在2.88-3.72和5.4-5.95 GHz。在较低和较高频带中测得的3-dB轴向比率带宽分别约为9.52％（3.0-3.4 GHz）和5.85％（5.64-5.98 GHz）。这些结果表明，提出的复合天线结构适用于WLAN和WiMAX应用。

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