

ElectroDynamic Systems Software Scientific^{TM} Antenna Systems Research^{TM} Radiolocation Systems Research^{TM} Antenna array Complex directional antenna consists of separate nearomnidirectional antennas (radiating elements) positioned in the space and driven by highfrequency … (from 'Glossary' of our web–site) 
Archives for 2006Thursday, December 07, 2006 at 12:12AM
The principal directions of radio absorbing materials and coatings used to solve the problems of scattered fields management are considered in the paper. The review of the basic methods of the task solution for the bodies of arbitrary geometry with radio absorbing materials and coating is given. The review is based on the use of impedance boundary conditions of different order.
Wednesday, December 06, 2006 at 12:12AM
An analysis of illposed electrodynamic problems formulated in the form of the 1st kind Fredholm integral equations (IE) is carried out. It is shown that the Tykhonoff regularization of illposed problems ensures stable solutions for electromagnetic field only on the surface, where the 1st kind Fredholm IE is posed. A wellposed method of physical regularization for electrodynamics boundaryvalue problems is proposed and justified.
Thursday, November 30, 2006 at 12:11AM
Partly systematizes the process of constructing of reactive chains of matching of broadband phased array radiators in the sector of angles and frequency band using FanoUla limitations. The given formulae can also be used when designing matching and correcting devices for wide application antennas.
Monday, January 23, 2006 at 12:01AM
A method and efficient numerical algorithms of solving the problem of diffraction of electromagnetic waves on a multilayer spherically symmetric structure, excited by a generalized Huygens, are considered. It is shown that the method is based on reducting the source vector problem to two scalar problems for Debye potentials. The amplifying ration and directional diagrams of antennas based on spherical dielectric lenses are researched and experimental estimation of numerical results is given.
Friday, January 20, 2006 at 12:01AM
A numerical algorithm for solving the problem of diffraction of electromagnetic waves on a multilayer dielectric lossy sphere when amplitudephase distribution of the exciting field is arbitrary is developed. The algorithm is based on representing the field on the source surface as an aggregate of the electrical and magnetic dipoles and reducting the vector problem to two scalar ones for the case of a point source. The results of calculating the directional diagrams and amplifying ratio are compared with the experimental ones.
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