Abstract
A design problem of non-uniform circular antenna arrays for the best optimal performance with the help of seeker optimization algorithm is dealt with in this paper. This problem is modeled as a simple optimization one. The algorithm is used to determine an optimum set of current excitation weights and antenna inter-element separations that provide radiation pattern with maximum reductions of side lobe level (SLL) and first null beamwidth (FNBW). Circular array antennas lying on x-y plane are assumed. The same algorithm is applied successively on circular arrays of 8, 10 and 12 elements. Various simulation results are presented. Performances of side lobe and FNBW are analyzed. Experimental results show considerable reductions of both SLL and FNBW with respect to the uniform case and those of some referred literature [3, 4] based on GA and PSO, respectively.
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Ram, G., Mandal, D., Ghoshal, S.P., Kar, R. (2013). Design of Non-uniformly Weighted and Spaced Circular Antenna Arrays with Reduced Side Lobe Level and First Null Beamwidth Using Seeker Optimization Algorithm. In: Panigrahi, B.K., Suganthan, P.N., Das, S., Dash, S.S. (eds) Swarm, Evolutionary, and Memetic Computing. SEMCCO 2013. Lecture Notes in Computer Science, vol 8297. Springer, Cham. https://doi.org/10.1007/978-3-319-03753-0_4
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DOI: https://doi.org/10.1007/978-3-319-03753-0_4
Publisher Name: Springer, Cham
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