NDLI: Investigation of Using High Impedance Surfaces for Wide-Angle Scanning Arrays

Content Provider	IEEE Xplore Digital Library
Author	Mei Li Shao-Qiu Xiao Bing-Zhong Wang
Copyright Year	1963
Abstract	In this paper, an eight-element linear array is proposed and experimentally studied to illustrate the potential of using high impedance surfaces (HISs) for wide-angle scanning applications. An HIS-based horizontal wire antenna with a broadbeam radiation pattern is implemented as the individual radiating elements of the proposed array. The working mechanism of the HIS-based array is investigated as well. The rectangular-mushroom HIS, operating in surface-wave band, contributes to the broad-beam radiation of the individual antenna element as well as the wide scan performance of the array. Measured results show that with uniform magnitude and progressive phase excitation, the array performs a wide scan angle up to 85° in the elevation plane and a realized gain varying from 13.1 to 10.1 dBi. Meanwhile, the side lobe levels (SLLs) are generally less than -10 dB over the entire scan region. Good agreement is obtained between the measurements and the simulations.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	2895
Ending Page	2901
Page Count	7
File Size	1374517
File Format	PDF
ISSN	0018926X
Volume Number	63
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antenna radiation patterns Antenna measurements Phased arrays Wires Surface waves Surface impedance linear arrays wide-angle scanning high impedance surfaces (HIS) phased arrays High impedance surfaces (HISs)
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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