We estimate geoacoustic parameters of a layered bottom in a shallow waveguide, which is nonuniform along the path, using the data of the full-scale experiment and the matched-field method. On the basis of the available a priori geological and geophysical data, a waveguide consisting of two sedimentary layers and the underlying half-space is used as the reference geoacoustic model. When seeking the geoacoustic parameters corresponding to the global minimum of the objective function, the hybrid algorithm, which is a combination of the fast simulated annealing method and the Hook–Jeeves method of direct search, is used.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 62, No. 3, pp. 220–227, March 2019.
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Kerzhakov, B.V., Kulinich, V.V. Estimation of the Seabed Parameters in a Nonuniform Waveguide Using the Matched-Field Method. Radiophys Quantum El 62, 200–206 (2019). https://doi.org/10.1007/s11141-019-09968-9
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DOI: https://doi.org/10.1007/s11141-019-09968-9