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The implementation of the feeding network in the arrays that composed of a large number of elements and using non-uniform excitations is a real challenging issue. The complexity of the… Click to show full abstract
The implementation of the feeding network in the arrays that composed of a large number of elements and using non-uniform excitations is a real challenging issue. The complexity of the feeding network can be greatly simplified by using uniformly excited arrays. However, such arrays suffer from sidelobe limitation. An optimised approach for sector sidelobe nulling in the equally spaced linear array pattern with uniform excitations except for two edge elements is presented. The genetic algorithm and particle swarm optimisation are independently used to find the optimal values of the amplitude and phase excitations for those edge elements.
Journal Title: Electronics Letters
Year Published: 2017
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