

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) 
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Search on siteUse tags cloud or enter into field a search phrase and choose section of search. 1/ 2/ The electrodynamic problem of the excitation of arrays of waveguide radiators located on the sides of an infinite ideally conductive wedge taking into account the mutual coupling between the array radiators is solved.
The electrodynamic problem of the excitation of arrays of waveguide radiators located on the sides of ...
Modified: 10/03/2010
Tags: equations , electromagnetic , field , arrays , waveguide , radiator , located , infinite , wedge Path: Home / Publications / Archives We present a method for matching waveguide radiators used in wide bandwidth phased antenna arrays with widescanning angle. In order to achieve matching, the following parameters are used: the geometrical parameters of waveguides, the dielectric parameters of materials inside the waveguides, waveguide ...
Modified: 04/06/2008
Tags: waveguide , radiator , antenna array , broadband , scanning Path: Home / Publications / Archives It is presented the electrodynamics analysis of complex crosssection waveguide phasedarray antennas with dual polarization. Energetic, polarization and frequency characteristics of crossridged circular and square waveguides as elements in phasedarray antennas with dielectric covers and supports are studied. An analysis chart is introduced to aid the computation of their mode of operation with sector scanning and frequency band.
Antennas
Modified: 04/05/2008
Tags: broadband , waveguide , radiator , antenna array , PAA , polarization Path: Home / Publications / Archives Phased antenna arrays (PAA) of waveguides with complex cross sections are analyzed in this work. Particularly, the analysis focuses on linearly polarized waveguides with dielectric matching units (inserts, covers and waveguide transformers). The study of power and frequency characteristics of these PAA in scanning sectors is included. An optimization method for the design of this kind of arrays in order to achieve broad frequency band and scanning sectors is also presented.
Antennas
Modified: 04/04/2008
Tags: broadband , waveguide , radiator , antenna array , PAA , polarization Path: Home / Publications / Archives A mathematical model of a printed radiator pattern on a screen with finite dimensions is developed. Results of numerical experiments are presented.
Antennas
Modified: 03/31/2008
Tags: model , radiator , finite Path: Home / Publications / Archives This work considers results of research of characteristics of rectangular printedcircuit radiators in plane phased antenna arrays. The research is conducted by using computer modeling and the mathematical model described in [1].
Proceedings of institutes of MV and SSO USSR. Radioelectronics
Modified: 11/23/2007
Tags: impedance , polarization , rectangular , radiator , antenna array Path: Home / Publications / Archives The results of research of characteristics of printedcircuit radiators in a plane phased antenna array is presented, based on the infinite plane antenna array model.
Antennas
Modified: 11/05/2007
Tags: model , research , radiator , antenna array Path: Home / Publications / Archives 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.
Modified: 11/30/2006
Tags: synthesis , matching , broadband , radiator , antenna array Path: Home / Publications / Archives The explained method allows for building an efficient algorithm of calculating characteristics of block phased arrays intended for scanning in a limited sector of angles and normal phased arrays with elementwise phasing considering interaction of radiators in the outside space and power wiring circuits.
The given numerical results show the possibility of considering the influence of the attenuator when designing phased antenna arrays.
Most works [1, 2], dedicated to research of infinite phased ...
Modified: 02/08/2006
Tags: phased array , radiator , attenuator Path: Home / Publications / Articles Results of research of characteristics of printedcircuit vibrator radiators in plane infinite and finite phased arrays. When researching electrodynamical characteristics of the vibrator radiator, the charge method is used. To determine the direction diagram in the finite array, the boundary wave method is used along ...
Modified: 01/31/2006
Tags: infinite , finite , antenna array , AA , vibrator , radiator Path: Home / Publications / Articles 1/ 2/ Sorted by relevance / Sort by date 
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