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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.


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“Boundary waves in finite antenna arrays”

One of important problems of the theory of antennas is the research of boundary effects in finite antenna arrays. Two methods are used to determine characteristics of such …
 


Article #7


Boundary effects in finite antenna arrays as a result of interference of unperturbed array field and boundary wave field, excited at the boundary of the array are researched. The boundary wave equation is derived and the iterative method …


One of important problems of the theory of antennas is the research of boundary effects in finite antenna arrays. Two methods are used to determine characteristics of such arrays. The first one is based on applying direct numerical methods to solve the corresponding boundary value problems of electrodynamics. This method can be applied to arrays containing a small number of elements. The second method is based on using an infinite array as a model of the finite array. This method allows determining the characteristics of radiating elements situated in the central part of the array containing a large number of such elements. Also, combination methods are used that consider the antenna array to be a part of an infinite array where nonexcited radiating elements are loaded with matched load…
 


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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