NDLI: Wide-Angle Scanning Phased Array With Pattern Reconfigurable Elements

Content Provider	IEEE Xplore Digital Library
Author	Yan-Ying Bai Shaoqiu Xiao Ming-Chun Tang Zhuo-Fu Ding Bing-Zhong Wang
Copyright Year	1963
Abstract	A novel phased array is presented to extend array scanning range by using pattern reconfigurable antenna elements and weighted thinned synthesis technology in this paper. The pattern reconfigurable microstrip Yagi antenna element is used as a basic element in array and it is capable of reconfiguring its patterns from broadside to quasi-endfire radiation by shifting states of the PIN diode switches integrated on parasitic strips. A weighted thinned linear array synthesis technique is analyzed and some interesting conclusions have been made. A linear array composed of eight pattern reconfigurable antenna elements is manufactured to demonstrate the excellent performance of the array. The active element pattern of each element is measured and pre-stored. Based on active element patterns and weighted thinned linear array synthesis technique, the pattern scanning performance of the novel array is synthesized. The results indicate that the array can scan its main beam from φ = -60° to φ = 60° in H-plane with gain fluctuation less than 3 dB while maintaining low side lobes, and the -3 dB beam width coverage is about from φ = -68° to φ = 68^°. The performance is superior to the traditional phased array made of wide-beam elements.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	4071
Ending Page	4076
Page Count	6
File Size	1207185
File Format	PDF
ISSN	0018926X
Volume Number	59
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Arrays Microstrip antennas Antenna radiation patterns Gain Microstrip Phased arrays wide-angle scanning Active element pattern pattern reconfigurable antenna thinned array
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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