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Adaptive Uniform Circular Array Synthesis Using Cuckoo Search Algorithm
Department of ECE, GITAM University, Visakhapatnam, India
Department of ECE, GITAM University, Visakhapatnam, India
Department of ECE, VR Siddhartha Engineering College, Vijayawada, India
Department of ECE, GITAM University, Visakhapatnam, India
- 1 Department of ECE, GITAM University, Visakhapatnam, India
- 2 Department of ECE, GITAM University, Visakhapatnam, India
- 3 Department of ECE, VR Siddhartha Engineering College, Vijayawada, India
- 4 Department of ECE, GITAM University, Visakhapatnam, India
Journal of Electromagnetic Analysis and Applications·Volume 08 (2016)·Pages 71–78·Published 22 April 2016·DOI10.4236/jemaa.2016.84008
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Abstract
Naturally suited array geometry for 360 ° coverage is the uniform circular array (UCA). A comparison of two types of uniform circular array configurations is presented in this paper. Due to its symmetrical geometry UCA is always targeted which results in minimal change inside lobe levels and beam width when scanned by a phased array antenna. Particle Swarm Optimization and Cuckoo algorithm are used for the calculation of complex weights of the array elements. Comparisons are drawn in the context of adaptive beam forming capabilities. Obtained results suggest that planar uniform circular array (9:10) using Cuckoo algorithm, has better beam forming properties with also reduced side lobe levels when compared to other geometry.
KeywordsSmart AntennasAntenna ArraysUniform Circular ArrayPlanar Uniform Circular ArrayParticle Swarm OptimizationCuckoo Search
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