Inscrição na biblioteca: Guest
Portal Digital Begell Biblioteca digital da Begell eBooks Diários Referências e Anais Coleções de pesquisa
Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimir: 0040-2508
ISSN On-line: 1943-6009

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

Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v75.i10.40
pages 895-907

RADAR ELEVATION ANGLES MEASUREMENTS OF LOW-ALTITUDE TARGETS OVER THE SEA BY ROOT-MUSIC METHOD UNDER INTERFERENCE FROM MULTIPATH AND THERMAL NOISE OF DIRECTION FINDER

Yu. A. Pedenko
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine,12 Academician Proskura St., Kharkov 61085, Ukraine

RESUMO

The paper is related to improvement of the accuracy of radar measurements of the elevation angles of low-altitude targets above the sea using the root-MUSIC, which is considered by experts as one of the means to solve this problem. Unlike in previous studies, which take into account the multipath noise only, in this study the clutter is complicated by thermal noise of the direction finder. This allows evaluating the capabilities of the method and providing guidance on its application under the close to reality conditions. The study was carried out by computer simulation. It covered various sea roughness states at which the conditions from specula to strong diffuse reflection were complied. A wide range of signal-to-noise ratios was used during the simulation. The main focus was the study of effects on measurement errors of a priori parameters of the method: the signal subspace dimensionality and the order of autocorrelation matrix of the signals received by a multi-element antenna array. The recommendations of their choice, allowing minimization of errors of elevation measurement in different conditions, have been developed. The results of the study extend the knowledge of how to improve the methods for measuring the low-altitude target elevation angle above the sea.


Articles with similar content:

APPLICATION OF THE MATRIX PENCIL METHOD FOR RADAR MEASUREMENTS OF ELEVATION ANGLES OF LOW-ALTITUDE TARGETS OVER A DISTURBED SEA
Telecommunications and Radio Engineering, Vol.77, 2018, issue 9
Yu. A. Pedenko
ELEVATION ANGLE MEASUREMENT ABOVE THE SEA SURFACE USING THE ROOT-MUSIC METHOD. SELECTION OF SOLUTIONS
Telecommunications and Radio Engineering, Vol.74, 2015, issue 12
Yu. A. Pedenko
THE CHOICE OF ROOT‐MUSIC PARAMETERS FOR RADAR MEASUREMENTS OF TARGET ELEVATION NEAR SEA SURFACE
Telecommunications and Radio Engineering, Vol.72, 2013, issue 14
Yu. A. Pedenko
Estimation of Radio Wave Propagation Conditions above the Sea Surface by Radiometric Measurements at Grazing Angles
Telecommunications and Radio Engineering, Vol.66, 2007, issue 5
V. A. Kabanov
Fuzzy Estimation of Process State by Linear Observations in Continuous Time
Journal of Automation and Information Sciences, Vol.31, 1999, issue 10
Nataliya N. Kussul