

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. 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 ...
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 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 Results of numeric modeling of impedance and polarizational characteristics of singlechannel printedcircuit radiator having circular polarization in the base of the antenna array are presented. Possibilities for optimizing the characteristics in the frequency band and scanning angle sector.
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Modified: 11/20/2007
Tags: antenna array , modeling , impedance , polarization Path: Home / Publications / Archives The infinite array of stepped planeparallel waveguides with dielectric inserts and projected dielectric elements, excited by TEMwaves is analyzed in this article using the integral equation for electric field (polarization current) in the projected element and field linking method in the horn; the differential equation is solved using the Galerkin method using vector waves of the corresponding resonator as basis and weight functions; numerical results characterizing ...
Modified: 12/30/2005
Tags: integral equation , polarization , current , analysis , waveguide , antenna array , dielectric Path: Home / Publications / Archives The first three terms of the asymptotic decomposition of the transfer ration between two antennas with arbitrary directional diagrams and polarization types are obtained. The formulas for the distance that can be used to measure primary and lateral radiation with the given inaccuracy are derived.
Radio engineering and electronics
Modified: 12/27/2005
Tags: directional diagram , antenna , asymptotic , polarization Path: Home / Publications / Archives Sorted by relevance / Sort by date 
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