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

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

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v70.i7.10
pages 563-576

SIMULATING ELEVATION ANGLE MEASUREMENTS OF LOW ALTITUDE TARGETS BY A MULTIFREQUENCY RADAR OPERATED IN THE OFF-AXIAL MODE

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 presents results of computer simulation of elevation angle measurements of low altitude targets over a rough sea, as performed by a triple-frequency monopulse radar operated in the off-axial measurement mode. The statistics of measurement errors have been studied in dependence on frequency diversity for a variety of sea roughness conditions and various phase differences between the 'direct' signal from the target and its specular reflection nu the interface. By increasing the number of operating frequencies of the monopulse radar from one to three it is possible to greatly reduce the errors of low-altitude elevation angle measurements in the case of off-axial operation.


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