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We introduce a novel technique that combines the AIM algorithm with the characteristic basis function method (CBFM) to solve the problem of electromagnetic scattering by large but finite periodic arrays. An important advantage of using the CBFM for this problem is that we only need to analyze a single unit cell to construct the characteristic basis functions (CBFs) for the entire array. The CBFs are...
In this paper, a novel p-FFT method based on characteristic basis function method (CBFM) has been proposed and implemented to solve electromagnetic scattering by large scaled finite periodic arrays. The CBFs can be constructed by solving the integral equations associated with one unit cell at plane wave incidence from different incident angles and with different polarizations. Then, the unit cell...
In this paper, we present an iterative, efficient and accurate method for calculating singularities of both order 1/R and order 1/R2 involved in the MoM solution of VIE. In our method, a sufficient number of terms from Green's functions are subtracted so that the remainder is at least once continuously differentiable so as to enable the standard Gaussian quadrature method to be applicable. Similar...
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