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The adaptive integral method (AIM) is widely used to solve electromagnetic scattering and radiation problems involving large objects in free space. In the presence of one or more perfectly conducting perpendicular planes, the AIM formulation can be applied by exploiting the principle of images at the cost of increasing the number of fast Fourier transforms evaluated in the method. In this letter, we show how to obtain an efficient scheme with respect to a plain application of the principle of images.
Date of Publication: Oct. 2009