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Articles on the topic and scientific software for the mathematical modeling of complex antennas and electrodynamic systems.



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)

   
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“RefereesHelp Race”

This software can help register the contestants and also makes it easy to get the tournament scores, fill and print the score-sheets.

 



RefereesHelp Race is a professional solution for keeping record at running, swimming and skiing competitions. RefereesHelp Race can help register the contestants and also makes it easy to get the tournament scores, fill and print …


This software can help register the contestants and also makes it easy to get the tournament scores, fill and print the score-sheets.


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“Use of radiant strips in the array antennas”

In the recent years the number of works on the analysis of properties of resonant microstrip radiators in the array antennas (AA) has increased. If using such …

 



The properties of the radiant strips over the impedance surface of the infinite flat PAA with a small period have been concerned. If the abso-lute value of the surface impedance is higher than wave resistance of the …


In the recent years the number of works on the analysis of properties of resonant microstrip radiators in the array antennas (AA) has increased. If using such radiators the service frequency band width (SFB) is generally limited up to 35% at voltage standing wave ratio =1,5 [1].
This work shows that the use of microstrip radiators with small electrical sizes placed over the impedance surface in the AAs is one of the possibilities to provide simultaneously a wide SFB and scanning angle domain up to ±60° within the principal planes…
 



In section of “Publications-Archive” the “The Algorithm and Results of Calculating the Radiation Patterns of Antenna Arrays on an Infinite Wedge” archival article is published. Authors: Z. K. Kudrya, E. M. Privalov.


In the article Green's tensor function has been used as a basis to get the expression for the radiation pattern of a rectangular waveguide radiator array located on an infinite perfectly conducting wedge. The obtained expression has been analyze, which has made it possible to calculate the integral in a complex plane with the help of the saddle-point method.

 
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