Scattering of E-polarized plane waves obliquely incident on an array of thick strips

Using the Method of analytical regularization, we rigorously solve scattering of E-polarized plane waves obliquely incident on a finite number of individually arbitrary shaped perfectly conducting cylinders. The solution is reduced to some well-conditioned coupled systems of linear algebraic equations, and their fast convergence is guaranteed by the Fredholm nature of the operators contained in these equations. As a consequence, we construct a highly efficient computational algorithm based on the truncation method, where the proper choice of truncation number provides solution of the prescribed accuracy. This general solution is used for the analysis of reflectivity for arrays composed of thick metal strips with different elemental positioning. Numerical results for the radar cross-section (RCS), depending on the incident angle, wave number and relative thickness of the strips, are presented.