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A novel Current and Charge Integral Equation is presented for perfect electric conductors. The equation is second kind and non-resonant. The explicit charge representation provides stability at low frequency. Complex shaped geometries with edges are simulated with accuracy.
A Fast Physical Optics technique is presented for computing the RCS of 2D geometries described in terms of Rational Bezier curves. The algorithm is based on the path deformation technique. The exact integration path is computed analytically, therefore, the highly oscillatory PO integral is transformed into a slowly varying integral with exact accuracy.
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