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Reduction of sidelobe levels in interrupted phased array antennas by means of a genetic algorithm
Author(s) -
Tonn David A.,
Bansal Rajeev
Publication year - 2007
Publication title -
international journal of rf and microwave computer‐aided engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.335
H-Index - 39
eISSN - 1099-047X
pISSN - 1096-4290
DOI - 10.1002/mmce.20207
Subject(s) - phased array , reduction (mathematics) , genetic algorithm , antenna array , microwave , lattice reduction , antenna (radio) , computer science , algorithm , electronic engineering , engineering , beamforming , mathematics , telecommunications , mimo , geometry , machine learning
Interruptions in the regular lattice of a phased array antenna can lead to elevated sidelobe levels in the resulting antenna pattern. A method for reducing the sidelobe level in such an array is presented, based on the use of a genetic algorithm that modifies the element weights in the array. Results are presented for both scanned and unscanned arrays. © 2007 Wiley Periodicals, Inc. Int J RF and Microwave CAE, 2007.
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