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A hybrid method for computing the scattered fields from complex structures

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2 Author(s)
Al-Hekail, Z.O. ; Dept. of Electr. Eng., King Saud Univ., Riyadh, Saudi Arabia ; Burnside, W.D.

A new hybrid method that removes typical discontinuities and singularities of UTD solutions is described and applied to scattering by complex structures. The scattered fields from the structure are first computed on a surface S enclosing it. Then these fields are used to compute an equivalent set of electric and magnetic currents, which are then used to find the scattered fields from the structure. This method can extend the ability of available UTD computer codes to solve for the scattered fields from structures that need special treatment and are nor solvable through direct UTD means. Good agreement is shown between this new hybrid method and moment method results as well as measurements

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Antennas and Propagation, IEEE Transactions on  (Volume:42 ,  Issue: 6 )