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首页> 外文期刊>Microwaves, Antennas & Propagation, IET >Wideband balanced folded dipole antenna with a dual-arm monopole structure for mobile handsets
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Wideband balanced folded dipole antenna with a dual-arm monopole structure for mobile handsets

机译：具有双臂单极结构的宽带平衡折叠偶极天线，用于手机

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摘要

In this study, a balanced antenna for mobile handset applications with enhanced bandwidth performance, covering the bands from 1.8 to 2.45 GHz, is investigated. The antenna is a slot planar dipole with folded structure and a dual-arm on each half. The antenna impedance was investigated using a two-port S-parameter method. For the purpose of antenna power gain measurement, a wide bandwidth planar balun was employed to support a balanced feed from an unbalanced source. For validation, a prototype of the proposed antenna was fabricated and tested. The performance of the antenna was then verified in terms of return loss, radiation patterns and power gain. The calculated and measured results show good agreement and the results also confirm good wideband characteristics with low induced current in the ground plane, thus minimising performance variations and SAR.
机译：在这项研究中，研究了用于手机应用的平衡天线，该天线具有增强的带宽性能，覆盖1.8至2.45 GHz的频带。天线是具有折叠结构的缝隙平面偶极子，每半部分都有一个双臂。使用两端口S参数方法研究了天线阻抗。出于天线功率增益测量的目的，采用了宽带平面巴伦来支持来自不平衡源的平衡馈电。为了验证，制造并测试了拟议天线的原型。然后在回波损耗，辐射方向图和功率增益方面验证了天线的性能。计算和测量结果显示出良好的一致性，结果还证实了良好的宽带特性，且接地平面中的感应电流较低，从而将性能变化和SAR降至最低。

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