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Analysis of electromagnetic scattering from conducting bodies of revolution using orthogonal wavelet expansions

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1 Author(s)
Gaofeng Wang ; Synopsys Inc., Mountain View, CA, USA

The wavelet expansion method has been extended to study the electromagnetic scattering from conducting bodies of revolution. The magnetic field integral equation (MFIE) is solved by this approach. By expanding the induced surface currents in terms of Fourier series of uncoupled azimuthal cylindrical modes, a simplified MFIE is attained for each unknown mode current that varies along the curved profile of the scatterer. By applying the boundary element method (BEM), the curved profile is mapped into the definition domain of the orthogonal wavelets on the interval. The unknown mode currents are then expressed using multiscale wavelet expansions. The simplified MFIE is converted into a sparse, multilevel matrix equation by the Galerkin method. Numerical examples are provided to illustrate the merits of this wavelet approach

Published in:

IEEE Transactions on Electromagnetic Compatibility  (Volume:40 ,  Issue: 1 )