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The evolutionary method of multi-criteria phase synthesis of linear array antenna

Keywords:

A.A. Bezuglov – Head of Group, FSUE «RNIIRS» (Rostov-on-Don)
E-mail: haldir_7@mail.ru
A.V. Litvinov – Head of Sector, FSUE «RNIIRS» (Rostov-on-Don)
E-mail: all_fine@bk.ru
S.E. Mishchenko – Dr. Sc. (Eng.), Professor, Leading Research Scientist, FSUE «RNIIRS» (Rostov-on-Don)
E-mail: mihome@yandex.ru
V.V. Shatskiy – Ph. D. (Eng.), Senior Research Scientist, Head of Office, FSUE «RNIIRS» (Rostov-on-Don)
E-mail: VshatsV@yandex.ru


In the known sources dedicated to the tasks of the phase synthesis, the issues of energy efficiency solutions is practically not considered. Typically, the main purpose conclude in the forming of the need radiation pattern. Multicriteria methods of phase synthesis array antennas take into account the requirements for the form of the radiation pattern.
Analysis of the analytical method of the phase synthesis, known as «method of partial beams» showed that it ensures the formation of the desired radiation pattern and good power characteristics. At the same time It shows the ambiguity of the choice of solving the problem for the given criteria from an existing set of feasible solutions.
The proposed multi-criteria phase synthesis method combines the advantages of the analytical method of synthesis phase and evolutionary method. The first one used for begin analytical approximation solution to the need radiation pattern. There are a set of ana-lytical decisions. And evolutionary method need to make a selection of the final solution of the synthesis problem on the resulting Pareto front. Reasonable choice of initial solutions with good energy due to the concentration of power phased array antenna within the main beam of the radiation pattern, can significantly limit the scope of possible solutions.

References:
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June 24, 2020
May 29, 2020

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