Novel high performance coherent dual-wideband orthomode transducer for coaxial horn feeds

Autor: Dubrovka, Fedor F., Piltyay, S. I.

Publikováno v: Proceedings of International Conference on Antenna Theory and Techniques; 2017: ICATT-2017-Proc. of XI Int. Conf. on Antenna Theory and Techniques; 277-280
Proceedings of International Conference on Antenna Theory and Techniques; 2017: ; 277-280

In this paper we present the design and simulated characteristics of a novel high performance coherent orthomode transducer to be used in dual-wideband coaxial horn feeds of reflector antennas with polarization diversity or polarization processing of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=scientific_p::e11014bf8b489b9702e8b2d9fc6b3733
http://icatt.org.ua/proc/article/view/ICATT.2017.7972642

Ultrawideband tapered slot, waveguide and dipole antenna arrays

Autor: Dubrovka, Fedor F., Martyniuk, Sergiy Ye., Vasylenko, Dmytro O., Postulga, O. S.

Publikováno v: Proceedings of International Conference on Antenna Theory and Techniques; 2017: ICATT-2017-Proc. of XI Int. Conf. on Antenna Theory and Techniques; 20-25
Proceedings of International Conference on Antenna Theory and Techniques; 2017: ; 20-25

This paper offers a review of the most valuable results of antenna array research and development at NTUU "KPI" within the last ten years for ultrawideband radar applications. First, paper describes a novel way to optimize the unilateral tapered slot

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=scientific_p::6ed2b1dd27ce27cfea3d408938284286
http://icatt.org.ua/proc/article/view/ICATT.2017.7972578

A novel dual band microstrip antenna array for receiving of satellite navigational signals GPS/GLONASS/GALILEO

Autor: Martynyuk, Sergiy Ye., Vasylenko, Dmytro O., Dubrovka, Fedor F., Laush, A. G.

Publikováno v: Proceedings of International Conference on Antenna Theory and Techniques; 2015: ICATT’2015-Proc. of X Int. Conf. on Antenna Theory and Techniques; 57-61
Proceedings of International Conference on Antenna Theory and Techniques; 2015: ; 57-61

The paper presents results of research and development of a novel dual band circularly polarized microstrip antenna array with adaptive space-time processing capability for applications in satellite navigational systems GPS/GLONASS/GALILEO. Geometry

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=scientific_p::6667a225d35fd6a0eb1d1c1a98fb07f2
http://icatt.org.ua/proc/article/view/ICATT.2015.7136781

Eigenmodes of coaxial quad-ridged waveguides. Numerical results

Autor: Dubrovka, Fedor F., Piltyay, Stepan I.

Publikováno v: Radioelectronics and Communications Systems; Том 57, № 2 (2014); 59-69

The results of numerical investigation of coaxial quad-ridged waveguides’ eigenmodes of two configurations (with ridges on inner or on outer perfectly conducting circular cylinder) for different cross-section dimensions are presented. In particular

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=scientific_p::92ebd106d2429fe177173ce4aa9abc36
http://radioelektronika.org/article/view/S0735272714020010

Analysis of dielectric loaded hybrid mode coaxial horns

Autor: Ovsianyk, Yuriy A., Dubrovka, Fedor F., Dubrovka, Rostyslav F.

Publikováno v: Radioelectronics and Communications Systems; Том 56, № 1 (2013); 1-19

This article presents a numerical solution for radiation from a novel coaxial horn with a partial dielectric loading. The horn is represented as a set of three-layer dielectric loaded coaxial waveguide sections. Characteristic equation has been obtai

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=scientific_p::9cfae52dc43df97c8531f77b408cd34c
http://radioelektronika.org/article/view/S0735272713010019