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Telecommunications and Radio Engineering
SJR: 0.203 SNIP: 0.44 CiteScore™: 1

ISSN Imprimer: 0040-2508
ISSN En ligne: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v55.i10-11.90
11 pages

Statistical Errors of Ranging in the Spectral Interferometry Technique

Anatoly Mogyla
O. Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine
V. V. Kulik
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine

RÉSUMÉ

Statistical errors of measuring the distance to a reflector by the methods of one- and two-dimensional spectral interferometry are determined and analyzed, both with and without account of the intrinsic noise of the meter. The statistical errors are analyzed in dependence on the reference-to-echo signal ratio, as well as on the signal-to-noise ratio for spectral densities at the meter output. Relations have been obtained for estimating the potential measurement accuracy for both methods. It has been shown that the measurement errors are determined by the normalized standard error of the spectral density estimate. The ranging accuracy provided by the two-dimensional spectral interferometry has been found to greatly exceed that of the one-dimensional spectral interferometry technique. This makes it possible to use the former method for precision range measurements.


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