4D Antenna Array of UWB Vivaldi Elements with Low Side Lobes and Harmonic Suppresion
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Institute of Electrical and Electronics Engineers Inc.
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This article presents a design of a time modulated antenna array with UWB Vivaldi elements. The array is composed by 7 elements worked in the range of frequency from 2.65 GHz to 17.26Ghz. The design consists in the optimization of the switching times of the Vivaldi elements for side lobe and side band levels reduction. The optimization is carried out by the particle swarm optimization. Simulation results show a good performance of the proposed array.
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