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电信和无线电工程
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN 打印: 0040-2508
ISSN 在线: 1943-6009

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

电信和无线电工程

DOI: 10.1615/TelecomRadEng.v69.i5.50
pages 423-428

BACKSCATTERING MEASUREMENTS FOR METALLIC UNCLOSED SPHERICAL SCREENS

D. D. Ivanchenko
V. Karazin National University of Kharkov, 4, Svoboda Sq., Kharkov, 61077, Ukraine
I. O. Sukharevsky
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkiv 61085

ABSTRACT

Electromagnetic backscattering measurement results for metallic unclosed spherical screens with changing the probing signal frequency in the range from 26.2 to 38.4 GHz are presented. The radii and aperture of a spherical segment were equal to 18.08 mm and 12.55 mm, respectively. The sample was made by extrusion of aluminum foil with a thickness of 0.15 mm. Frequency dependences of the normalized radar cross-section (RCS) were obtained for excitation of a thin spherical screen along the axis. A comparison between experimental data and known theoretical calculations for RCS is made. Backscattering behavior is studied in the wide range of frequencies and incidence angles.


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