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Generation of Narrow Beams from Thinned Circular Antenna Array with Dipole Elements using BAT Algorithm
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The Circular Antenna Array with Dipole radiators is practical antenna array to scan the entire azimuthal plane. The beams with narrow beamwidth and less side lobe level are very useful point to point communication. As the Circular Antenna Array suffers with high sidelobe level and broad beam problems an attempt is made here to reduce these radiation parameters with an efficient metaheuristic optimization technique BAT algorithm. Thinning process is applied on the optimized array for better results. An extensive comparison is brought out between optimized thinned array and uniformly distributed fully populated array.
Keywords
Circular Antenna Array, Dipole, Narrow Beams, Bat Algorithm and Thinning.
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