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首页> 外文期刊>Applied Computational Electromagnetics Society journal >A Novel Chebyshev Series Fed Linear Array with High Gain and Low Sidelobe Level for WLAN Outdoor Systems
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A Novel Chebyshev Series Fed Linear Array with High Gain and Low Sidelobe Level for WLAN Outdoor Systems

机译：具有高增益和低旁瓣电平的新型Chebyshev系列馈电线性阵列，用于WLAN室外系统

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摘要

In this paper, we propose a novel linear microstrip array antenna with high gain and low sidelobe level (SLL) for outdoor WLAN applications. The array antenna includes of two main parts: a linear array and a reflector. Specifically, the array is linearly constructed with 10 elements; those are placed on Rogers RT/Duroid 5870(tm) substrate with the dimensions of 422 x100 x10.15 mm(3). Furthermore, to acquire the SLL reduction, a series fed network is designed to have the output signals being proportional to the Chebyshev distributions (with the preset SLL of -30 dB). On the optimization of the single element, Yagi antenna theory is applied by adding two directors above each element to increase its directivity. Additionally, we put a reflector at the back side of the proposed array. Simulation results indicate that the array operates well at 5.5 GHz with the high gain of 17.5 dBi and a low SLL of -26 dB. A prototype has been fabricated and measured to validate the simulation results. Good agreement between simulation and measurement data have been obtained. This proves that the presented array antenna can be a good candidate for WLAN applications.
机译：在本文中，我们提出了一种新颖的线性微带阵列天线，具有高增益和低旁瓣电平（SLL），可用于室外WLAN应用。阵列天线包括两个主要部分：线性阵列和反射器。具体来说，该数组是由10个元素线性构造而成的。将它们放置在Rogers RT / Duroid 5870（tm）基板上，尺寸为422 x100 x10.15 mm（3）。此外，为了获得SLL降低，设计了一个串联馈电网络，使输出信号与Chebyshev分布成比例（预设SLL为-30 dB）。在单个元素的优化上，通过在每个元素上方添加两个指向矢来增加其方向性，从而应用八木天线理论。此外，我们在拟议阵列的背面放置了一个反射器。仿真结果表明，该阵列在5.5 GHz上运行良好，具有17.5 dBi的高增益和-26 dB的低SLL。已制造出原型并进行了测量，以验证仿真结果。仿真和测量数据之间已经取得了良好的一致性。这证明了所提出的阵列天线可以成为WLAN应用的理想选择。

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