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

ISSN Печать: 0040-2508
ISSN Онлайн: 1943-6009

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

Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v74.i7.10
pages 563-576

AXISYMMETRIC ELECTROMAGNETIC EXCITATION OF A METALLIC DISCONE SCATTERER

D. B. Kuryliak
G.V. Karpenko Physical-Mechanical Institute, National Academy of Sciences of Ukraine 5, Naukova St., L'viv 79060, Ukraine
O. M. Sharabura
G.V. Karpenko Physical-Mechanical Institute, National Academy of Sciences of Ukraine 5, Naukova St., L'viv 79060, Ukraine

Краткое описание

The finite bicone is a basic structure for analyzing discone antennas by approximate methods. The paper suggests a rigorous solution of the axially symmetric problem of TM-wave diffraction by the open end of a bicone, with one arm of which being represented by a semiinfinite cone, while the other by a finite cone. The structure is illuminated by the field from a circular coil of the magnetic current. The mode matching method along with the analytic regularization technique is used to solve the problem. The solution for a discone scatterer is obtained as a boundary transition from a bicone with arbitrary angular parameters. The directional patterns and radiation resistance are analyzed in dependence on the scatterer parameters. The obtained numerical results are compared with those already known for the particular cases. It is shown that the broadbandness properties of the directional pattern improve with increasing the disc radius and biconical range width. The obtained results allow conducting a rigorous electrodynamic analysis of the discone scatter characteristics for a wide range of geometrical and frequency parameters.


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