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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >Integrated Vivaldi antenna for UWB/diversity applications in vehicular environment
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Integrated Vivaldi antenna for UWB/diversity applications in vehicular environment

机译：集成的Vivaldi天线，用于车辆环境中的UWB /分集应用

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摘要

This article presents the design of a three-port diversity antenna capable of producingthree-directional radiation pattern for vehicular communications. The proposedantenna consists of three uncorrelated Vivaldi antennas that are interconnected anddeveloped on a single printed circuit board. Unlike many other antennas reportedfor the vehicular environment, the proposed antenna offers ultra-wideband characteristicswith end-fire radiation pattern leading to high realized antenna gain. Theintegrated antenna has a footprint of 65 × 40 × 1.6 mm~3 and offers 6 GHz impedancebandwidth extending from 5 to 11 GHz. The port-to-port isolation is greaterthan 20 dB within the operating bandwidth. Furthermore, the diversity performanceof the proposed three-port antenna system is evaluated and presented. The calculatedenvelope correlation coefficient, diversity gain, and mean effective gain arewell above the minimum requirement. The prototype antenna is fabricated and theexperimental results are presented.
机译：本文提出了一种三端口分集天线的设计，该天线能够产生用于车辆通信的三向辐射方向图。拟议的天线由三个不相关的维瓦尔第天线组成，它们在单个印刷电路板上互连并开发。与报道的许多其他用于车辆环境的天线不同，拟议的天线具有超宽带特性，具有端射辐射图，从而可实现较高的天线增益。集成天线的占地面积为65×40×1.6 mm〜3，并提供6 GHz阻抗带宽，范围从5到11 GHz。在工作带宽内，端口到端口的隔离度大于20 dB。此外，对提出的三端口天线系统的分集性能进行了评估和介绍。计算得出的包络相关系数，分集增益和平均有效增益均高于最小要求。制作了原型天线，并给出了实验结果。

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