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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Druckformat: 0040-2508
ISSN Online: 1943-6009

Volumes:
Volumen 78, 2019 Volumen 77, 2018 Volumen 76, 2017 Volumen 75, 2016 Volumen 74, 2015 Volumen 73, 2014 Volumen 72, 2013 Volumen 71, 2012 Volumen 70, 2011 Volumen 69, 2010 Volumen 68, 2009 Volumen 67, 2008 Volumen 66, 2007 Volumen 65, 2006 Volumen 64, 2005 Volumen 63, 2005 Volumen 62, 2004 Volumen 61, 2004 Volumen 60, 2003 Volumen 59, 2003 Volumen 58, 2002 Volumen 57, 2002 Volumen 56, 2001 Volumen 55, 2001 Volumen 54, 2000 Volumen 53, 1999 Volumen 52, 1998 Volumen 51, 1997

Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v75.i8.40
pages 705-718

WAVE PROCESSES IN THE NEAR-FIELD ZONE OF WEAKLY DIRECTIVE APERTURE RADIATORS OF ELECTROMAGNETIC WAVES

N. N. Gorobets
V. Karazin National University of Kharkiv, 4, Svoboda Sq., Kharkiv, 61022, Ukraine; Kharkiv National University of Radio Engineering and Electronics, 14 Nauka Ave, Kharkiv, 61166, Ukraine
Ye. Ye. Ovsyannikova
V. Karazin National University of Kharkov, Ukraine

ABSTRAKT

A novel type of the diffraction antennas is suggested and analyzed. The antenna involves a diffraction structure of a cylindrical geometry in the capacity of the feed element. Characteristics of the antenna system with a feed element of a convex cylindrical geometry are investigated. The antenna system represents a diffraction grating excited by a dielectric waveguide. The operating principle of the system is based on the conversion of the surface waves of the dielectric waveguide into spatial waves radiated by the diffraction grating. As a result of the performed experimental investigations the possibility in principle of creation of the radiators of the kind is shown and versions of new approaches to the development of fastscanning radiating apertures are presented. A series of limitations have been determined which make it possible to optimize the procedure of selecting the optimum parameters of the antenna elements.


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