利用凤凰电池设计宽带、低成本单层反射天线

Kai Zhang, Yangyu Fan, Jiadong Xu, C. Qu
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引用次数: 4

摘要

本文研究了一种宽带单层低成本反射器的设计与实现。反射镜中的元件提供了近360°的线性相位范围,并具有再生能力。反射射线由印刷微带对数周期偶极子天线馈电。采用元件的亚波长排列使反射光具有宽带特性。然后,设计并测量了一种带凤凰电池的256元定焦反射镜。在5.2GHz时,最大测量增益约为21dB。测量结果还表明,在4.4~5.8GHz范围内,3db增益带宽为27.5%。
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Design of broadband, low cost single layer reflectarray using phoenix cell
The design and implementation of a broadband single-layer low cost reflectarray is studied in this paper. The element in the reflectarray provides a nearly 360° linear phase range and have rebirth capability. The reflectarray is fed by a printed microstrip log-periodic dipole antenna. Using a sub-wavelength arrangement of element enables the reflectarray to achieve broadband characteristic. Then, a prime-focus 256-element reflectarray with phoenix cell is designed and measured. The maximum measurement gain is about 21dB at 5.2GHz. The measurement results also show 27.5% 3-dB gain bandwidth in the range 4.4~5.8GHz.
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