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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.v54.i2.70
pages 59-69

Asymptotic Estimation of the Diffraction Loss in a Cassegrain Double-Reflector Antenna for a Low Level of Irradiation of the Subreflector Edge

Boris Lazarevitch Kogan
Experimental Design Bureau of Moscow Energy Institute, Russia

Краткое описание

Asymptotic formulas for the diffraction loss in axially symmetric Cassegrain double-reflector antennas with classical or modified reflector edges are obtained with the allowance for the effect of diffraction by the subreflector. The analytical expressions are derived on the basis of a formally rigorous uniform asymptotic vector representation of the electromagnetic field reflected by a curvilinear edge of the subreflector. Since several asymptotic terms are taken into account, the obtained formulas enable one to estimate the diffraction loss for a low level of Irradiation of the edge. The influence of the pattern on the form of the subreflector edge is studied. The formulas are derived with the help of computer algebra software.


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