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International Journal of Antennas and Propagation
Volume 2014, Article ID 583903, 7 pages
http://dx.doi.org/10.1155/2014/583903
Research Article

Miniaturization Design for 8 × 8 Butler Matrix Based on Back-to-Back Bilayer Microstrip

1School of Electronic and Information Engineering, Beihang University, Beijing 100191, China
2Research Institute of Unmanned Aerial Vehicle, Beihang University, Beijing 100191, China

Received 27 January 2014; Accepted 23 February 2014; Published 30 March 2014

Academic Editor: Xiang Zhang

Copyright © 2014 Yu Zhai et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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