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首页> 外文期刊>Journal of Electromagnetic Waves and Applications >Dual-band dual-sense circularly polarized U- and L-shaped strip monopole antenna for WiMAX/WLAN applications
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Dual-band dual-sense circularly polarized U- and L-shaped strip monopole antenna for WiMAX/WLAN applications

机译：用于WiMAX / WLAN应用的双频带双读圆极化U和L形单极天线

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摘要

In this paper, a single-layer dual-band dual-sense circularly polarized monopole antenna is presented for Wireless Local Area Network (WLAN) and Worldwide Interoperability for Microwave Access (WiMAX) applications. The proposed antenna consists L, U shape strips and a 50 omega microstrip feedline. This antenna is printed on one side of low-cost FR4 epoxy substrate with a thickness of 1.6 mm and partial ground plane is on the other side of the substrate. The overall dimension of the substrate is 0.417 lambda(0) x 0.292 lambda(0) x 0.0133 lambda(0). The antenna may operate in two bands: the lower band is from 2.35 to 3.22 GHz, centred at 2.52 GHz (percentage bandwidth od 34.52%) and the upper band is from 4.78 to 5.79 GHz, centred at 5.49 GHz (percentage bandwidth of 18.39%). In addition, 3 dB axial ratio bandwidth of the lower and upper bands are 650 and 650 MHz, respectively. The detailed performances of the proposed antenna are demonstrated along with the measured and simulated results.
机译：在本文中，为无线局域网（WLAN）和全球互操作性提供了一种单层双频带双向圆偏振的单极天线，用于微波访问（WiMAX）应用。所提出的天线包括L，U形条带和50个Omega微带馈线。该天线在低成本FR4环氧基板的一侧印刷，厚度为1.6mm，并且部分接地平面位于基板的另一侧。基材的总尺寸为0.417λ（0）×0.292λ（0）×0.0133λ（0）。天线可以在两个带中操作：下频带为2.35到3.22GHz，以2.52GHz（百分比带宽OD 34.52％）为中心，上频段为4.78至5.79GHz，以5.49 GHz为中心（百分比带宽为18.39％ ）。此外，下部和上带的3个DB轴向比带宽分别为650和650MHz。所提出的天线的详细性能与测量和模拟结果一起证明。

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