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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 …

(from 'Glossary' of our web–site)

   
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“GuidesArray Rectangular”

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 …

 



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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“Theoretical investigation of the properties of broadband antenna array …”

When antenna systems are located on objects with curved surfaces, there arises necessity to determine the characteristics of the conformal array (CA) radiators, …

 



On the basis of the asymptotic theory of diffraction, under the condition of slowness of change in the curvature radii, the mathematical theory of broadband conformal antenna array has been constructed. As an illustration of the operation of this model, the …


When antenna systems are located on objects with curved surfaces, there arises necessity to determine the characteristics of the conformal array (CA) radiators, as the most frequently used components of these systems. The wideband and wide-angle performance can be achieved by means of placing a multi-element array of compact wide-band strip radiators (CWSR) above the impedance structure (IS) with special properties [1], and the use of this impedance structure allows an increase in the radiation resistance, which facilitates matching of the radiator with the feeder line. Since there are well-known difficulties arising during experimental research, there becomes actual a theoretical analysis of CA of CWSR above the impedance curvilinear surface (ICS), as a particular case of IS…
 



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.