The need for mixed-order representations with the locally corrected Nystrom method

The locally corrected Nystrom method can be used to discretize the electric field integral equation (EFIE) for scattering from conducting surfaces. Previous implementations of this technique have employed polynomial-complete representations of the surface current density. Results suggest, however, t...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2003, Vol.2, p.72-73
Main Authors: Caliskan, F., Peterson, A.F.
Format: Article
Language:English
Subjects:
Antennas
Charge density
Conduction
Current density
Equivalence
Fluctuations
Gaussian processes
Integral equations
Moment methods
Packaging
Polynomials
Representations
Scattering
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Summary:The locally corrected Nystrom method can be used to discretize the electric field integral equation (EFIE) for scattering from conducting surfaces. Previous implementations of this technique have employed polynomial-complete representations of the surface current density. Results suggest, however, that polynomial-complete expansions yield inaccurate cross-polarization surface currents. Mixed-order expansions that provide a self-consistent representation of the equivalent charge density appear to alleviate the difficulty.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2003.813383