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“RefereesHelp Race” This software can help register the contestants and also makes it easy to get the tournament scores, fill and print the score-sheets. |
RefereesHelp Race is a professional solution for keeping record at running, swimming and skiing competitions. RefereesHelp Race can help register the contestants and also makes it easy to get the tournament scores, fill and print …
This software can help register the contestants and also makes it easy to get the tournament scores, fill and print the score-sheets.
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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…
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In section of “Publications-Dissertations” the “Metal-dielectric structures in antenna arrays, radio-absorbing coatings and near-omnidirectional radiators” dissertation is published.
Author: I. V. Sutyagin.
The aim of the dissertation is to develop electrodynamic-level mathematical models describing printed-circuit radiators of an irregular shape within an antenna array that make it possible to analyze the radiation pattern characteristics of separate printed-circuit radiators located on finite screens of an irregular shape and mathematical models for analyzing the characteristics of ultrawideband ribbon antenna arrays with wide-angle scanning.
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