一种分形科赫几何矩形短段宽带对数周期天线

2016 International Conference on Computer and Communication Engineering (ICCCE) Pub Date : 2016-07-26 DOI:10.1109/ICCCE.2016.15

N. A. Rahman, M. Jamlos

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引用次数: 1

摘要

本文采用串联迭代分形科赫几何和分布感应负载的方法研究了宽带对数周期天线的研制。在分形科赫结构的两端插入矩形短根，以减小尺寸。传统的串联迭代对数周期分形科赫天线(LPFKA)在加入矩形短段后，维数可降低18.24%。该天线尺寸为285 mm × 245 mm，部署在相对介电常数为4.7、厚度为1.6 mm的FR-4环氧介质基板上。该天线设计工作频率为0.47 GHz至0.79 GHz，主要用于超高频(UHF)电视空白(TVWS)频段应用。仿真结果表明，该天线在整个工作频段内实现了稳定的辐射方向图，增益范围为5.64 ~ 6.7 dBi。所提出的天线是超高频TVWS应用的可能候选天线。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Wideband Log Periodic Antenna with Fractal Koch Geometry and Rectangular Stub

This paper deals with the development of wideband log periodic antenna by applying series iteration fractal Koch geometry and distributed inductive load. Rectangular stub is inserted at each end of fractal Koch structure for size reduction purposes. The dimension of conventional series iteration log periodic fractal Koch antenna (LPFKA) can be reduced by 18.24% with the addition of rectangular stub. The proposed antenna has a dimension of 285 mm x 245 mm deployed on FR-4 Epoxy dielectric substrate with relative permittivity of 4.7 and thickness of 1.6 mm. This antenna was designed to operate from 0.47 GHz to 0.79 GHz which focuses on Ultra High Frequency (UHF) Television White Space (TVWS) band applications. According to the simulation result, the proposed antenna achieves stable radiation patterns throughout the operating frequency band with the gains varies from 5.64 dBi to 6.7 dBi. The proposed antenna is a possible candidate for UHF TVWS applications.

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2016 International Conference on Computer and Communication Engineering (ICCCE)

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