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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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“Application of the generalized Fourier method to the problem …”

An obvious example of realization of advantages of the generalized Fourier method GFD [1] over the classic one in solving of applied electrodynamics problems is the problem …

 



Solving of the applied problems of propagation of electromagnetic waves is often connected with the search of analytic solutions to the boundary value problems of mathematical physics. From this viewpoint, the use of variable division method is one of possible …


An obvious example of realization of advantages of the generalized Fourier method GFD [1] over the classic one in solving of applied electrodynamics problems is the problem of hollow triangular cross section waveguide (Fig.1), whose envelope is considered to be a perfect conductor, while the inner medium is homogeneous. In the most cases, this model turns out to be satisfactory in practical calculations. If necessary, it can be made more accurate by accounting for the losses in the metal.
 



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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