On the comparison between multiple-region and dual-grid finite-difference time-domain methods for the analysis of antenna arrays
Résumé
A comparison between the multiple-region (MR) and dual-grid (DG) finite-difference time-domain (FDTD) methods for the analysis of antenna arrays is presented. The application of both methods shows that the DG-FDTD method is more accurate when computing the mutual coupling between antennas. Besides, it exhibits multi-surface capabilities that make possible the fast and accurate analysis of antenna arrays, including mutual coupling and edge effects.
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