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题名: Single-layer dual-band dual-linear-polarization reflectarray antenna with different beams for each band
作者: Han Chunhui; Yunhua Zhang(张云华); Yang Qingshan
作者部门: 微波遥感部
通讯作者: Han, Chunhui (heiker125@126.com)
关键词: Antenna arrays ; Cells ; Cytology ; Optical design ; Polarization
刊名: Progress In Electromagnetics Research C
ISSN号: 1937-8718
出版日期: 2017
卷号: 73, 页码:65-73
收录类别: EI
英文摘要: A novel single-layer unit cell structure is proposed to design a dual-band dual-linearpolarization reflectarray antenna with different beams for X and Ku bands. The unit cell structure is composed of a circular ring and two cross bow-tie structures combined by a circular patch. Five tunable geometric parameters can be optimized to achieve the required phase distributions of the reflectarray antenna with independent radiation patterns for each band which is a challenge for singlelayer linearly polarized reflectarrays. Besides, the proposed unit cell structure has the ability to meet the demand of dual-polarization applications. A 301-element center-fed reflectarray with an octagon-shape aperture operating at X and Ku bands is designed, manufactured and measured to verify the dual-band performance of the proposed unit cell. The measured results show that the object of achieving different beams at different frequencies is realized with good radiation patterns at both designed frequencies. Besides, the similar radiation patterns for both linear polarizations are also achieved at both bands. © 2017, Electromagnetics Academy. All rights reserved.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.nssc.ac.cn/handle/122/5850
Appears in Collections:微波遥感部_期刊论文

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