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Antenna Array

Antenna array

Complex directional antenna consists of separate near-omnidirectional antennas (radiating elements) positioned in the space and driven by high-frequency …

(from 'Glossary' of our web–site)

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Monday, March 22, 2004 at 12:03AM

Solving of applied problems concerning different physical processes often involves search for analytic solutions to the boundary value problems of mathematical physics. From this viewpoint, the use of the variable separation method is one of possible ways of this search. The well-studied classical Fourier method allows obtaining analytic solutions to partial differential equations satisfying a limited number of kinds of boundary conditions. The internal boundary value problems for a rectangular domain, which cannot be solved by variable separation method in its classical form, are examined in this paper. Application of the generalized Fourier method of variable separation is proposed as one of means to expand the sphere of the problems of mathematical physics, which can be solved analytically. The advantage of this method, in comparison with the classic variable separation, is demonstrated for internal hybrid boundary value problems with Laplace and Helmholtz equations in flat rectangular domain.

Wednesday, October 29, 2003 at 12:10AM

The problem of flat wave diffraction on a multi-layer meander polarizer is solved in a strict electrodynamic setting; to approximate the required electrical current a full orthogonal system of basis functions has been proposed; for the one- and four-layer polarizer cases the algorithm and program approbation has been executed.

Monday, August 25, 2003 at 12:08AM

The properties of the radiant strips over the impedance surface of the infinite flat PAA with a small period have been concerned. If the abso-lute value of the surface impedance is higher than wave resistance of the free space, the frequency overlap ratio amounts to 2,0 and more at the angle domain of ±60° in the principal planes.

Friday, August 08, 2003 at 12:08AM

The results of estimating the characteristics of coaxial emitters in flat phased arrays.

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GuidesArray Coaxial 0.1.2

GuidesArray Coaxial™ is used by engineers for projecting and exploring the characteristics of two-dimensional periodic phased antenna arrays for coaxial waveguides.


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