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

ISSN 印刷: 0040-2508
ISSN オンライン: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v76.i4.40
pages 315-325

PARTICULARITIES OF SCATTERING SIGNAL PROCESSING IN CORRELATION SPECTROSCOPY

A.N. Andreev
National Technical University "Kharkiv Polytechnic Institute" 2, Kyrpychova Str., 61002, Kharkiv, Ukraine
A. G. Lazarenko
National Technical University "Kharkiv Polytechnic Institute" 2, Kyrpychova Str., 61002, Kharkiv, Ukraine
O. N. Аndreeva
National Technical University "Kharkiv Polytechnic Institute" 2, Kyrpychova Str., 61002, Kharkiv, Ukraine

要約

Approximation algorithms of the autocorrelation function of the light scattered by liquid solutions are investigated using a mathematical modeling: a single exponential approximation (for monodisperse medium), the method of cumulants (polydisperse medium) and Levenberg − Marquardt algorithm (two-component medium). The effect of the scattering media and signal parameters (sampling frequency and signal to noise ratio) characteristics on the approximation error is studied in detail. The limits of applicability of the cumulants method and that of Levenberg − Marquardt in correlation spectroscopy are defined.


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