紧凑型超宽带环形扇形双极化单极天线

A. Kamma, Swapnil R. Gupta, G. Reddy, J. Mukherjee
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引用次数: 1

摘要

针对超宽带(UWB)应用,提出了一种新型、紧凑的双极化环形扇形单极天线(RSMA)。目前的结构是由圆形单极天线衍生而来,在不改变阻抗带宽、辐射方向图(准全向)等天线特性的情况下实现双极化特性。采用部分和缺陷接地设计的RSMA,实现了参考VSWR< 2的超宽带响应(即3.1 GHz-10.6 GHz)。天线采用RT/Duroid5880 (εr =2.2)衬底,厚度为0.785 mm,总面积为20×28 mm2。测量结果与模拟结果非常吻合。双极化特性保证了该天线在超宽带应用中具有良好的应用前景。
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Compact UWB ring sectoral monopole antenna with dual polarization
A novel, compact and dual polarized ring Sectoral Monopole Antenna (RSMA) with defected ground is presented for Ultra Wide Band (UWB) applications. Present structure has been derived from the circular monopole antenna to accomplish dual polarization characteristics without much change in the impedance band width, radiation pattern (quasi Omni-directional) and other antenna characteristics. Proposed RSMA with partial and defected ground design, UWB response (i.e. 3.1 GHz-10.6 GHz) with reference to VSWR<;2 is achieved. The antenna is fabricated on a RT/Duroid5880 (εr =2.2) substrate having thickness of 0.785 mm with total real-estate of 20×28 mm2. Measurements are in close agreement with the simulated results. Dual polarization characteristics ensure that proposed antenna can be a promising candidate for the UWB applications.
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