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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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“GuidesArray Coaxial”

With this program you can execute mathematical modelling by the phased periodic plane antennas array from coaxial wave guides in sector of angles and a band …
 


Program #3


GuidesArray Coaxial is supposed for purposes of modeling of phased antenna arrays created using coaxial waveguides. Such antenna arrays can be used as power transmit \ receive antenna systems in various areas of radio-engineering.


With this program you can execute mathematical modelling by the phased periodic plane antennas array from coaxial wave guides in sector of angles and a band of frequencies.
The offered mathematical model is founded on an electrodynamic solution of a boundary task in a unit mesh of infinite structure.


News archive
Author Photo
“Characteristics of radiation of continuously excited spherical antenna”

There is known [1] an approximate method for calculating DD and CDD of convex beam diffractional antennas, based on representing radiation field as a superposition of magnetic current …
 


Article #13


It is shown that when the antenna radius is increased, directive gain of spherical antenna with optimal excitation asymptotically approaches directive gain of the equivalent flat cophasal aperture with uniform amplitude–phase distribution of collinear currents. The …


There is known [1] an approximate method for calculating DD and CDD of convex beam diffractional antennas, based on representing radiation field as a superposition of magnetic current fields and induced electrical currents on the ideally conducting surface of the antenna in given amplitude−phase distribution of the exciting magnetic current. Electric currents are determined in short−wave approximation. Amplitude−phase distributions of the exciting magnetic current, providing maximum value of CDD of non−superdirective antenna are examined in works [1…3] in approximations of physical optics.
 


News #120


In section of “Publications-Dissertations” the “Analysis of the jamming resistance of an air target acquisition and tracking radar at the initial operation stage in case of jamming” dissertation is published. Author: N. A. Osavchuk.


In the dissertation the aim of the thesis is to develop methods for analyzing the radar operation stability at the initial stage, to detect possible failures in radar functionality at the initial stage of its operation in case of self-protection jamming.

 
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