S.A. Nenashev1, A.R. Bestugin2, R.I. Chembarisova3, I.A. Kirshina4, V.A. Nenashev5

1−5 Saint Petersburg State University of Aerospace Instrumentation (Saint Petersburg, Russia)

2 fresguap@mail.ru, 3 renatachembarisova@yandex.ru, 4 ikirshina@mail.ru, 5 nenashev.va@yandex.ru

Nowadays, the application of ultra-wideband signal-code structures is one of the most demanded technologies realized in determining the depth of a particular layer or object in it, in particular, in determining the ice thickness of water surfaces. The latter requires to ensure high reliability and accuracy of ice-water partition boundary determination in order to control its thickness in the interests of environmental control.

The purpose of this study is to synthesize ultra-wideband signal-code designs and investigate their autocorrelation characteristics, which ensure the reliability of ice thickness measurement at all controlled areas of its presence – boundaries of "ice-water" partitions.

The result of the work is that found new values of elements and synthesized by them ultra-wideband signal-code designs. It is shown that the levels of side lobes of the normalized autocorrelation function of the synthesized ultra-wideband signal are lower than those of similar canonical signals, often used in practice.

Synthesis and application of new ultra-wideband signal-code designs provides improvement of their correlation characteristics and, as a consequence, provides reliable and accurate measurement when controlling ice thickness on various water bodies.

Nenashev S.A., Bestugin A.R., Chembarisova R.I., Kirshina I.A., Nenashev V.A. Ice thickness control based on the use of ultra-wideband signal-code structures. Information-measuring and Control Systems. 2024. V. 22. № 6. P. 13−22. DOI: https://doi.org/10.18127/j20700814-202406-02 (in Russian)

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