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1 Journal of Telecommunications and Information Technology

1 2017

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Synthesis and Failure Correction of Flattop and Cosecant Squared Beam Patterns in Linear Antenna Arrays

Patidar H., Mahanti G. K., Muralidharan R.

Journal of Telecommunications and Information Technology

2017

nr 4

25--30

This paper deals with the synthesis of ﬂattop and cosecant squared beam patterns using the ﬁreﬂy algorithm which is based on metaheuristics. This synthesis is followed by the correction of the radiation patterns when unfortunate malfunctioning of the individual elements in the array occurs. The necessary attention is given to the recovery process, with due emphasis on reduction of side lobe level, ripple and the reﬂection coeﬃcient. Simulation in Matlab shows a successful employment of the ﬁreﬂy algorithm in producing voltage excitations of the good elements necessary for the recovered patterns. The performance of the ﬁreﬂy algorithm in failure correction is validated by duly comparing it with a standard benchmark.