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ElectroDynamic Systems Software ScientificTM
Antenna Systems ResearchTM


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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 …

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Program #1


GuidesArray Rectangular is supposed for purposes of modeling of phased antenna arrays created using rectangular waveguides. Such antenna arrays can be used as transmit \ receive antenna systems for radio- and television-broadcast centers, cellular and paging …


With this program you can execute mathematical modelling by the phased periodic plane antennas array from rectangular 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.


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“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 #101


In section of “Publications-Archive” the “Mathematical modeling of microstrip oscillators in layered media” archival article is published. Author: V. V. Chebyshev.


In the article 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 …

 
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