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2008-12-12
Design and Realization of a Flat-Top Shaped-Beam Antenna Array
By
Progress In Electromagnetics Research Letters, Vol. 5, 159-166, 2008
Abstract
The design and realization of a ten-element shaped-beam antenna array are presented. A flat-top pattern in the main beam which allows a well-proportioned power distribution in desired zone is achieved by optimizing the amplitudes and phases of array elements using genetic algorithm. Being different from the most optimization in reported literatures, the proposed synthesis has taken the actual element patterns but identical and isotropic ones into account, which can reduce the error between computation and realization. Besides, both the optimized amplitudes and phases are set to be realizable. The array operating at 1.71-1.74 GHz is manufactured and measured. The measured radiation patterns of the proposed array show a flat-top main beam of about 40o and a peak side-lobe level of -20 dB, exhibiting a good agreement with the simulated results.
Citation
Hai-Jin Zhou You-Huo Huang Bao-Hua Sun Qi-Zhong Liu , "Design and Realization of a Flat-Top Shaped-Beam Antenna Array," Progress In Electromagnetics Research Letters, Vol. 5, 159-166, 2008.
doi:10.2528/PIERL08111911
http://www.jpier.org/PIERL/pier.php?paper=08111911
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