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Focused Array Antenna Based on Subarrays

delete2017-01-01
delete12
PRE
AI
P
Peng-Fa Li *
S
Shi‐Wei Qu
S
Shiwen Yang
Z
Zaiping Nie
DOI：10.1109/LAWP.2016.2613887delete
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Abstract

Abstract

En 中文
A focused array antenna (FAA) can concentrate its radiation power in a small spot in its Fresnel zone. Typically an FAA is fed by a multilevel power divider, which leads to a large insertion loss, especially for a large-scale FAA. Moreover, mutual coupling between closely arranged array elements and feedlines complicates the FAA design. In this letter, FAAs fed on the subarray level are proposed to get over the aforementioned problems. A 2 x 8 FAA is explored at 10 GHz, and the measured results show good agreements with the simulated ones except a 0.2-GHz frequency shift.
Keywords:
Feed networks
focused array antennas (FAAs)
Fresnel zone
subarrays
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Key information extracted from the uploaded paper, including a brief overview, abstract, background, key highlights, visual analysis, and future outlook.

Journal

IEEE Antennas and Wireless Propagation Letters cover
IEEE Antennas and Wireless Propagation Letters
IF:
4.8
Papers:
1.0W
Citations:
2.8W

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No organization information available