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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 …

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... GuidesArray Rectangular™ is created to facilitate managing directional diagram, increasing output, enhancing interference protection, and maximizing information extraction. It is known that thanks to the high transmission capacity and low–loss waveguide transmission line, phased array antennas provide excellent characteristics for centimeter wave band. To achieve maximum efficiency while using phased array antennas, a reliable computer–aided engineering system is required. To this effect,...
Modified: 10/29/2010
Tags: waveguide , antennas array , PAA , GuidesArray Rectangular
Path: Home / Publications / Articles



The quantitative analysis of physical processes that occur during the excitation of planar and rectangular waveguides with an infinite flange, with a bending flange and an array of planar and rectangular waveguide radiators on an infinite plane and on an infinite wedge has been carried out. The quantitative analysis of physical processes that occur during ...
Modified: 10/04/2010
Tags: admittances , antenna , array , waveguide , radiators , wedge , results , numerical , experimental , studies
Path: Home / Publications / Archives



Equations for the “irregular” and “regular” transfer admittance of the waveguide radiators of an antenna array located on a side of an infinite ideally conductive wedge is deduced. Equations for the “irregular” and “regular” transfer admittance of the waveguide radiators of an antenna array located on a side of ...
Modified: 10/04/2010
Tags: admittances , antenna , array , waveguide , radiators , wedge , deducing , relations
Path: Home / Publications / Archives



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 ...
Modified: 10/03/2010
Tags: equations , electromagnetic , field , arrays , waveguide , radiator , located , infinite , wedge
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The thesis is devoted to designing broadband highly directional scanning antenna arrays based on waveguides with a complex (in general case, random) cross section working on a linear (vertical or horizontal) or double (orthogonal or circular) field polarizations in the monopulse mode. The aim of the thesis comes down to solving an important scientific ...
Modified: 08/14/2008
Tags: waveguide , antenna array , electrodynamic theory , mathematical apparatus
Path: Home / Publications / Dissertations



We present a method for matching waveguide radiators used in wide bandwidth phased antenna arrays with wide-scanning angle. In order to achieve matching, the following parameters are used: the geometrical parameters of waveguides, the dielectric parameters of materials inside the waveguides,...
Modified: 04/06/2008
Tags: waveguide , radiator , antenna array , broadband , scanning
Path: Home / Publications / Archives



It is presented the electrodynamics analysis of complex cross-section waveguide phased-array antennas with dual polarization. Energetic, polarization and frequency characteristics of cross-ridged circular and square waveguides as elements in phased-array antennas with dielectric covers and supports are studied. An analysis ...
Modified: 04/05/2008
Tags: broadband , waveguide , radiator , antenna array , PAA , polarization
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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 ...
Modified: 04/04/2008
Tags: broadband , waveguide , radiator , antenna array , PAA , polarization
Path: Home / Publications / Archives



Equations for waveguide, impedance and lens antenna arrays are formulated taking into account excitation conditions and interconnection between radiators. The arrays can be located on flat or curved surfaces. Antenna arrays
Modified: 04/19/2007
Tags: antenna array , equation , waveguide , lens
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Presents frequency dependencies of surface impedance near an array of rectangular waveguides when incident to flat electromagnetic wave, computed on a PC are shown. When placing radiant strips over an optimized waveguide array, contact ratio in frequency up to 2 and more in sector of angles ±55° in main planes can be obtained. In ...
Modified: 12/14/2006
Tags: antenna array , rectangular , waveguide , AA
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