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

ISSN Print: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v72.i8.50
pages 699-710

COHERENT RADIOMETRIC IMAGING WITH A Ka-BAND GROUND-BASED SYNTHETIC APERTURE NOISE RADAR

V.V. Kudryashov
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
K. A. Lukin
A.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
V. P. Palamarchuk
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine
P.L. Vyplavin
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine

ABSTRACT

Radiometric monitoring is a powerful tool for obtaining unique information about object's emissivity. This method does not require any sounding signal to be formed and radiated. The known types of radiometers do not provide a two-axis resolution when using wide-beam antennas. In this study, we consider a principle of radiometric imaging at short distances with a range-azimuth resolution. The principle is based on an interferometric radiometer and antennas with synthesized apertures. The paper includes a description of the suggested method of radiometric imaging, the experimental results obtained using a ground-based Ka-band noise radar with a synthetic aperture. The outcome of the study comprises the radiometric images of a test object and the proven ability of the equipment in question to detect thermal radiation. The obtained results can be implemented in security systems for detection of concealed objects.


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