Abstract
The aim of the study whose results are discussed in this paper was to conduct experimental and numerical research on improving a high-accuracy method, developed by the authors, of positioning underwater objects. For this, experimental testing of an improved range-finding technology was carried out, based on the inclusion into the measuring scheme of a block that can measure and monitor the sound velocity on the shelf area of a track connecting a source of navigation signals and an a receiver system imitator consisting of autonomous underwater apparatus. In addition, under natural conditions, we implemented a scenario in which range-finding data was provided to an autonomous underwater apparatus carrying out a mission in the water area at a distance of 300 km from the source of navigation signals using technical tools for controlling variability of the sound velocity on the shelf. A specific example was used to test the acoustic range-finding technology on a track with complex hydrological and bathymetric conditions, and an estimate was obtained for the accuracy of measuring distances during a 4 h drift of the autonomous underwater apparatus imitator.
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Original Russian Text © Yu.N. Morgunov, V.V. Bezotvetnikh, A.V. Burenin, E.A. Voitenko, A.A. Golov, 2018, published in Akusticheskii Zhurnal, 2018, Vol. 64, No. 2, pp. 191–196.
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Morgunov, Y.N., Bezotvetnikh, V.V., Burenin, A.V. et al. Experimental Testing of High-Accuracy Underwater Range-Finding Technology. Acoust. Phys. 64, 190–195 (2018). https://doi.org/10.1134/S1063771018020124
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DOI: https://doi.org/10.1134/S1063771018020124