一种波段可重构定向偶极天线

2013 IEEE International Workshop on Electromagnetics, Applications and Student Innovation Competition Pub Date : 2013-08-01 DOI:10.1109/IWEM.2013.6888803

Lei Ge, K. Luk

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引用次数: 2

摘要

提出了一种新型的可重构定向偶极子天线，可在宽带和四种窄带模式下工作。宽带模式(0.83-2.5 GHz)基于折叠领结偶极子，而四种窄带模式基于长度可重构的薄偶极子，背后是矩形腔。PIN二极管用作特定位置的开关，用于选择不同的模式。开发了一个功能齐全的样机，并表现出良好的性能。该天线可以实现良好控制的单向辐射模式，可能适用于认知无线电。

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A band-reconfigurable directed dipole antenna

A novel reconfigurable directed dipole antenna operated in a wideband or four narrowband modes is presented. The wideband mode (0.83-2.5 GHz) is based on a folded bowtie dipole while the four narrowband modes are based on a length-reconfigurable thin dipole backed by a rectangular cavity. PIN diodes are used as switches at specific locations for choosing different modes. A fully functional prototype is developed and exhibits good performance. The antenna can achieve well-controlled unidirectional radiation patterns and is potentially suitable for cognitive radio.

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来源期刊

2013 IEEE International Workshop on Electromagnetics, Applications and Student Innovation Competition

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