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      Extension of forward backward method with DFT based acceleration algorithm for the efficient analysis of large periodic arrays with arbitrary boundaries

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      Author
      Çivi, Ö. A.
      Chou, H. T.
      Ertürk, Vakur B.
      Date
      2003
      Source Title
      Proceedings of the Antennas and Propagation Society International Symposium, IEEE 2003
      Print ISSN
      0272-4693
      Publisher
      IEEE
      Pages
      31 - 34
      Language
      English
      Type
      Conference Paper
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      Abstract
      An extension of Forward-Backward (FB) with Discrete Fourier Transform (DFT) based acceleration approach is presented. This is given to provide a relatively efficient analysis of EM radiation/scattering from an electrically large, planar, periodic, finite arrays with arbitrary boundaries, such as arrays with circular or elliptical boundaries. It is shown that only very few significant DFT terms are sufficient to provide accurate results.
      Keywords
      Computational complexity
      Directional patterns (antenna)
      Discrete fourier transforms
      Electromagnetic wave scattering
      Matrix algebra
      Method of moments
      Numerical methods
      Radiation
      Electromagnetic wave radiation
      Forward backward
      Antenna arrays
      Permalink
      http://hdl.handle.net/11693/27526
      Published Version (Please cite this version)
      https://doi.org/10.1109/APS.2003.1220113
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      • Department of Electrical and Electronics Engineering 3524
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