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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)






Archives for 2010



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Friday, October 15, 2010 at 02:10PM

The article briefly describes and grounds the possibility to build radiating elements of ultrabroadband wide-angle antenna arrays and beam formers.
 

Monday, October 04, 2010 at 08:10AM

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.
 

Monday, October 04, 2010 at 08:10AM

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.
 

Sunday, October 03, 2010 at 12:10PM

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.
 

Saturday, April 24, 2010 at 09:04PM

The method of the continued boundary conditions (MCBC) is generalized on three–dimensional vector problems of waves diffraction on bodies of revolution.
 

Saturday, April 24, 2010 at 08:04PM

The explicit (asymptotic) solution of a problem is obtained in a case, when the scattering bodies are far enough from each other. It's established, that the obtained approximate analytical solution of a problem is suitable for calculations with an acceptable exactitude at distances between bodies down to their touch, if the sizes of bodies do not exceed a wave length of a field, incident on a group.
 

Saturday, April 24, 2010 at 08:04PM

The problem of synthesis of anizotropic impedance plane reflecting a plane uniform wave in a given direction at the desired polarization is solved. The distribution of the impedance is expressed analytically and constitutes a periodic structure. The restrictions on the class of the allowable scattering patterns are formulated for the reactive values of impedance. The reflection coefficients of the nonuniform anisotropic impedance plane are obtained. Numerical results are demonstrated.
 

Saturday, April 24, 2010 at 07:04PM

The description of wideband radiators on the base of symmetrical slot line is presented. Different types of slot and different variants of excitement unit are considered. Methods of slot antennas analysis are shown. In conclusion antenna arrays on the base of slot radiators are presented.
 

Wednesday, January 06, 2010 at 12:01AM

There was a study of mathematical modeling of microstrip oscillators with a substrate in the form of plane layered media based on the use of integral and integro–differential equations of the first kind; there was provided substantiation and the basics of building the algorithms of a numerical solution to the equations; examples of the numerical study of the equations for oscillators and layered media with varied topology were given; the case of microstrip oscillators with finite conductivity was studied; the integral equation for the current of the oscillator was derived and examples of its numerical study for oscillators made of high–temperature superconductors were given.

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GuidesArray Circular 0.1.4

GuidesArray Circular™ allows to execute electrodynamic modeling of two-dimensional phased antenna arrays for circular waveguides, using the method of moments.


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