Experimental estimation of the parameters of a sphere by high-frequency chirped underwater sound pulses |
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| Authors: | V A Lazarev A A Mazannikov A N Neronov and A A Khil’ko |
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| Institution: | (1) Institute of Applied Physics, Russian Academy of Sciences, ul. Ul’yanova 46, Nizhni Novgorod, 603095, Russia;(2) Murmansk State Technical University, ul. Sportivnaya 3, Murmansk, 183010, Russia;(3) Andreev Acoustics Institute, Russian Academy of Sciences, Northern Branch, ul. Pochtovaya 3, Severomorsk, 184600, Russia;(4) Lobachevski State University, Nizhni Novgorod, pr. Gagarina 23, Nizhni Novgorod, 603950, Russia |
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| Abstract: | For a sphere moving under the sea’s surface in shallow water, the possibility of its tomographic observation by measuring the scattered high-frequency sound pulses is considered. To raise the spatial resolution and] sensitivity of the method, the received sound signals are subjected to filtering matched with the transfer characteristic of the waveguide. Ways of increasing the robustness of the solution to the inverse problem by using different decision criteria are discussed. |
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