The combined field integral equation (CFIE) formulation for electromagnetic scattering from perfectly conducting bodies is generalized to treat conductors with layered dielectric coatings. The generalized formulation is proved to provide unique solutions at all frequencies. The method of moments is used to solve the resulting system of integral equations. Solutions in terms of two integral operators are developed for body of revolution configurations.'The behavior and properties of the generalized combined field formulation are illustrated with results of calculations for coated spheres, cylinders, and cones.
Simple orthogonal and unitary compact quantum systems and the İnönü-Wigner contractionAll Inonii-Wigner contractions of the real four-dimensional Lie algebras are found. The results are summarized in tables.
Exact, integral equation formulations of electromagnetic scattering by corrugated conducting surfaces, resulting from the extinction theorem, electric field boundary condition, and magnetic field boundary condition, are examined from the viewpoint of practical, numerical calculations. The incident field is taken to be a plane monochromatic electromagnetic wave, with E i = eeil•(y sin 0-z cos o) (4) 1 H i ---e X (iz COS 0 --iy sin O)e ik(• sin o-z ½os 0) where r/= (#o/So) •/2 and the suppressed time dependence is given by the factor exp [-i•ot], with co--ck = 2nc//L For horizontal polarization, e = i x. For vertical polarization, e = iy cos 0 + i z sin 0. The common denominator of the integral methods 815
The coherent monostatic response of a strip with a randomly serrated edge is evaluated by considering the serration a realization of a stochastic process. Results are given for various values of the average width, variance, and correlation length that characterize the strip statistically.
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