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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >Gap-coupled designs of star shape microstrip antennas for dual band and wide band circular polarized response
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Gap-coupled designs of star shape microstrip antennas for dual band and wide band circular polarized response

机译：用于双频带和宽带圆极化响应的星形微带天线的间隙耦合设计

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摘要

Gap-coupled designs of star-shape microstrip antennas for dual band and wide band circular polarized response are proposed. An angular displacement between fed and parasitic patches yields the optimum separation between patch orthogonal resonant modes to yield circular polarized response. In dual band design, axial ratio bandwidth of 8% is obtained whereas wideband design gives axial ratio bandwidth of nearly 29%. Proposed configurations exhibit broadside pattern with peak gain of more than 7 dBi. Resonant length formulations for star shape patch and for their dual and wide band designs are presented. They provide guidelines for redesigning similar antenna at different frequency.
机译：提出了用于双频带和宽带圆极化响应的星形微带天线的间隙耦合设计。馈送和寄生贴片之间的角位移产生贴片正交共振模式之间的最佳分离，以产生圆极化响应。在双带设计中，获得8％的轴向比带宽，而宽带设计具有近29％的轴向比带宽。所提出的配置表现出宽侧图案，峰值增益超过7dBI。提出了星形贴片的共振长度配方及其双和宽带设计。它们提供了在不同频率下重新设计类似天线的指导方针。

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