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Diffraction of the H — polarized electromagnetic wave by semi-infinite knife-type grating which consists of material strips is considered. The operator method is used for solution. As a result nonlinear operator equation relatively unknown reflection operator is obtained. The convergence of solution of nonlinear operator equation for the gratings of perfectly electric conductor strips and material...
Diffraction by finite system of strips placed in parallel planes is considered. The operator method is used. The solution of so-called key problem, diffraction problem by single discontinuity, is obtained by the method of singular integral equations. Characteristics of gratings of graphene strips are studied numerically.
Diffraction by two semi-infinite gratings placed in the same plane is considered. The method of singular integral equations is used. The current on the strips is represented as the current on the semi-infinite periodic gratings and correction current. The convergence of the method is discussed and far-field patterns are represented.
The E- polarized wave diffraction by an infinite periodic strip grating without single strip is considered. The total field is found as a sum of field of infinite periodical grating and field induced by the removal of a single strip. The problem is reduced to the singular integral equations with additional conditions. The directional patters and field distribution in the domain above the grating are...
The H-polarized wave diffraction problem by the semi-infinite strip grating is considered. The problem is reduced to the singular integral equation with additional conditions. The directional patterns of the field scattered by the end of the grating are represented.
Analysis of the electrodynamical properties of the infinite periodical grating without one strip is performed in this paper. The H-polarization case is considered. The mathematical model is based on the singular integral equations method. Scattered field is presented as sum of three summands: field of the infinite periodical grating, field of a single strip of the infinite periodical grating and correction...
The -polarized electromagnetic wave diffraction by semi-infinite periodic venetian blind-type grating is considered. The grating consists of strips placed in the parallel planes. The problem is reduced to a nonlinear operator equation with respect to the unknown reflection operator of a structure. For its solution, a complex approach which consists in using the successive over-relaxation method and...
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