INVESTIGATION OF THE INFLUENCE OF THE ANTENNA RADIATION PATTERN MAIN LOBE SHAPE ON THE RELIABILITY OF RADIO SYSTEM
- Autores: Yakimov A.N.1
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Afiliações:
- Saint Petersburg State University of Aerospace Instrumentation
- Edição: Nº 3 (2025)
- Páginas: 82-90
- Seção: DESIGN AND TECHNOLOGY OF INSTRUMENTATION AND ELECTRONIC EQUIPMENT
- URL: https://journal-vniispk.ru/2307-4205/article/view/353769
- DOI: https://doi.org/10.21685/2307-4205-2025-3-8
- ID: 353769
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Resumo
Background. As the intensity of aircraft air traffic increases, air traffic control (ATC) radio systems face the challenge of ensuring flight safety. Flight safety is quantified by the acceptable aircraft collision disk, which is largely determined by the reliability of the ATC radio system. Reliability is understood as only the reliability of the equipment, but also to the likelihood of information loss due to dips in the viewing areas determined by the directional characteristics of the antennas used in ATC radio systems. A perspective opportunity to increase the reliability of such systems is a model study of the effect of the shape of the main lobe of the radiation pattern of the interrogator on the reliability of the ATC radio system. Materials and methods. An approach to solving this problem is proposed based on the fact that the probability of information loss due to dips in the viewing areas is determined by the deviation of the shape of the main lobe of the radiation pattern of the interrogator antenna from the ideal sector. Calculated expressions are obtained for estimating the parameters characterizing the reliability of the ATC radio system when using Gaussianshaped radiation pattern and quasi-sector radiation pattern, represented by a modified Kotelnikov series. A simplified mathematical model of trapezoidal radiation pattern has been constructed, which makes it possible to study the effect of the slope slope of the main lobe of a quasi-sector radiation pattern on the reliability of the ATC radio system. Results and conclusions. A numerical assessment of the reliability of the radio system is given using the example of using an antenna with a Gaussian, quasi-sector and trapezoidal shape of the radiation pattern main lobe. The results of a model study of the effect the steepness of the radiation pattern main lobe of the antenna on the reliability of the radio system are presented. The results obtained indicate the prospects of using the antenna of the interrogator with the radiation pattern a quasi-sector shape to increase the reliability of the ATC radio system.
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Sobre autores
Aleksandr Yakimov
Saint Petersburg State University of Aerospace Instrumentation
Autor responsável pela correspondência
Email: y_alder@mail.ru
Doctor of technical sciences, professor, professor of the sub-department of construction and technology of electronic and laser equipment
(67 Bolshaya Morskaya street, Saint Petersburg, Russia)Bibliografia
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