Efficient analysis of large phased arrays using iterative MoM with DFT-based acceleration algorithm
Date
2003
Authors
Ertürk, V. B.
Chou, H-T.
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Source Title
Microwave and Optical Technology Letters
Print ISSN
0895-2477
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Publisher
John Wiley & Sons, Inc.
Volume
39
Issue
2
Pages
89 - 94
Language
English
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Journal Title
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Abstract
A discrete Fourier transform (DFT)-based iterative method of moments (IMoM) algorithm is developed to provide an O(Ntot) computational complexity and memory storages for the efficient analysis of electromagnetic radiation/scattering from large phased arrays. Here, Ntot is the total number of unknowns. Numerical results for both printed and free-standing dipole arrays are presented to validate the algorithm's efficiency and accuracy.
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Keywords
Discrete Fourier transform , Iterative solvers , Method of moments , Phased array , Algorithms , Computational complexity , Convergence of numerical methods , Dipole antennas , Discrete Fourier transforms , Electric current distribution , Electromagnetic wave scattering , Iterative methods , Method of moments , Permittivity , Biconjugate gradient stabilized method , Dipole arrays , Periodic arrays , Antenna phased arrays