MULTIELEMENT SYSTEMS OF ARC SLOTS IN A COAXIAL LINE SCREEN

• Дата: 2016
• Автори: Katrich, V. A., Lyashchenko, V. A., Medvedev, N. V.
• Формат: Стаття
• Мова: rus
• Опубліковано: Видавничий дім «Академперіодика» 2016
• Теми: coaxial line; arc slot; directivity pattern; amplitude and phase distribution; radiation coefficient; reflection coefficient; interconnection; коаксиальная линия; дуговая щель; диаграмма направленности; амплитудно-фазовое распределение; коэффициент излучения; коэффициент отражения; взаимные связи; коаксіальна лінія; дугова щілина; діаграма спрямованості; амплітудно-фазовий розподіл; коефіцієнт випромінювання; коефіцієнт відбиття; взаємні зв’язки
• Онлайн доступ: http://rpra-journal.org.ua/index.php/ra/article/view/1252
• Назва журналу: Radio physics and radio astronomy

PACS number: 84.40.Ba Purpose: Studying the electrodynamic characteristics of the coaxialslot antennas and the ways of their control by the feeder and radiators geometrical parameters change.Design/methodology/approach: The problem of electromagnetic wave excitation and radiation by the arc slot system in infinitely thin and perfectly conducting shield of coaxial line is solved by the magnetomotive forces method with the following multiparameter numerical model of multielement antenna array creation.Findings: The influence of feeder and radiators geometricalparameters on the energy and spatial characteristics of a coaxialslot antenna is shown. The influence of interactions between the slot radiators on the radiation and reflection coefficients and directivity characteristics of multielement antenna array is also studied. The spatial peculiarities of electromagnetic wave radiation into the medium different from the air one are considered.Conclusions: The researches of the multielement coaxial-slotantenna electrodynamic characteristics have shown the possibility for their essential improvement by the creation of nonuniform antenna arrays of the arc slots of different lengths. The necessity of accounting for the mutual interconnections between radiators in a coaxial-slot array is emphasized.Key words: coaxial line, arc slot, directivity pattern, amplitudeand phase distribution, radiation coefficient, reflection coefficient, interconnectionManuscript submitted 05.07.2016Radio phys. radio astron. 2016, 21(4): 298-310 REFERENCES1. HAN, Y. F., YUNG, K. N., XIE, Z. M. and CHEN, R. S.,1999. Analysis and Design of a Coaxial Slot Antenna forMobile Telecommunications. In: IEEE Antennas and PropagationSociety International Symposium Proceedings.vol. 4, pp. 2424–2426. DOI: https://doi.org/10.1109/APS.1999.789299 2. HAN, Y. F., YUNG, K. N., XIE, Z. M. and CHEN. R. S.,1999. Coaxial Multi-Slot Antenna Used for LEO-MSAT.In: IEEE Antennas and Propagation Society InternationalSymposium Proceedings. vol. 4, pp. 2420–2423. DOI: https://doi.org/10.1109/APS.1999.789298 3. INOMATA, K., YAMAGUCHI, Y., YAMADA, H.,TSUJITA, W., SHIKAI, M. and SUMI, K., 2011. Accuracyof 2-Dimensional Object Location Estimation UsingLeaky Coaxial Cables. IEEE Trans. Antennas Propag. vol. 59, is. 6, pp. 2396–2403. DOI: https://doi.org/10.1109/TAP.2011.2143661 4. KIM, D. H. and EOM, H. J., 2007. Radiation of Leaky Coaxial Cable with Narrow Transverse Slots. IEEE Trans.Antennas Propag. vol. 55, is. 1, pp. 107–110. DOI: https://doi.org/10.1109/TAP.2006.888414 5. YELIZARENKO, A., 2014. Introduction of Dual-Band Networks of Technological Radio Communication in Railway Tunnels. Informatsijno-keruyuchi systemy na zaliznychnomu transporti. no 4, pp. 42–47 (in Ukrainian). 6. RUBIO, M., HERNANDEZ, A., SALAS, L., NAVARRO,E. and AVILA-NAVARRO, E., 2011. Coaxial Slot Antenna Design for Microwave Hyperthermia Using Finite-Difference Time Domain and Element Method. Open Nanomedicine J. vol. 3, pp. 2–9. DOI: https://doi.org/10.2174/1875933501103010002 7. KATRICH, V. A., LYASHCHENKO, V. A. and MEDVEDEV,N. V., 2012. Radiation from a Slot Array in a Coaxial Line Screen. Radio Physics and Radio Astronomy. vol. 3, is. 4, pp. 325–335. DOI: https://doi.org/10.1615/RadioPhysicsRadioAstronomy.v3.i4.60 8. KATRICH, V. A., LYASHCHENKO, V. A. and MEDVEDEV.N. V., 2013. Multielement Slot Radiator Systemsin a Screen of Semi-Infinite Coaxial Line. Radio Phys. Radio Astron. vol. 18, no 4, pp. 309–322 (in Russian). 9. FELD, Y. N. and BENENSON, L. S., 1959. Antenna-Feeder Devices. Pt 2. Moscow: N. E. Zhukovsky Academy Publ. (in Russian). 10. KATRICH, V. A., LYASHCHENKO, V. A. and MEDVEDEV, N. V., 2011. A Slot Radiator in a Coaxial Line.Telecommunications and Radio Engineering. vol. 70, is. 5,pp. 395–411. DOI: https://doi.org/10.1615/TelecomRadEng.v70.i5.20 11. GARB, Kh. L., LEVINSON, I. B. and FRIDBERG, P. Sh.,1968. Effect of Wall Thickness in Slot Problems of Electrodynamics. Radio Eng. Electron. Phys. vol. 13, no 12,pp. 2152–2161 (in Russian).