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      An efficient method for electromagnetic characterization of 2-D geometries in stratified media

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      Author(s)
      Aksun, M. I.
      Çalışkan, F.
      Gürel, Levent
      Date
      2002
      Source Title
      IEEE Transactions on Microwave Theory and Techniques
      Print ISSN
      0018-9480
      Publisher
      IEEE
      Volume
      50
      Issue
      5
      Pages
      1264 - 1274
      Language
      English
      Type
      Article
      Item Usage Stats
      206
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      203
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      Abstract
      A numerically efficient technique, based on the spectral-domain method of moments (MoM) in conjunction with the generalized pencil-of-functions (GPOF) method, is developed for the characterization of two-dimensional geometries in multilayer planar media. This approach provides an analytic expression for all the entries of the MoM matrix, explicitly including the indexes of the basis and testing functions provided that the Galerkin's MoM is employed. This feature facilitates an efficient modification of the geometry without the necessity of recalculating the additional elements in the MoM matrix. To assess the efficiency of the approach, the results and the matrix fill times are compared to those obtained with two other efficient methods, namely, the spatial-domain MoM in conjunction with the closed-form Green's functions, and a fast Fourier transform algorithm to evaluate the MoM matrix entries. Among these, the spectral-domain MoM using the GPOF algorithm is the most efficient approach for printed multilayer geometries.
      Keywords
      Generalized pencil-of-functions (GPOF) methods
      Multilayered planar media
      Algorithms
      Computational geometry
      Electromagnetic field effects
      Fourier transforms
      Functions
      Galerkin methods
      Green's function
      Matrix algebra
      Method of moments
      Spectrum analysis
      Multilayers
      Permalink
      http://hdl.handle.net/11693/24713
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/22.999138
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      • Department of Electrical and Electronics Engineering 4011
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