Using short curved vertical arrays in ocean acoustic tomography |
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Authors: | V A Burov S N Sergeev and A S Shurup |
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Institution: | (1) Faculty of Physics, Moscow State University, Moscow, 119991, Russia |
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Abstract: | We consider the possibility of reconstructing the ocean mode structure based on measurements with short (not covering the entire ocean waveguide) arrays curved in an unknown way by ocean currents, which corresponds to the conditions of a real experiment. We have developed an algorithm for estimating the arrival times of various mode signals by solving a system of linear equations. The mode reconstruction accuracy as a function of the array length and profile curvature is investigated. The cases of using both the ocean noise field and deterministic signals as a sound source are considered. Comparison with the commonly used mode filtering method is made. |
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