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- W2079682144 abstract "Model-based signal processing methods, such as matched-field processing, are concerned with exploiting the combination of the sound propagation physics in an ocean waveguide and the observation data. As such, they require accurate knowledge of the ocean acoustic environment. This paper presents an approach of environmental inversion via acoustic data assimilation (ADA), intended specifically to reconstruct the sound speed field perturbed by internal wave. It exploits a variety of information sources including direct local sound speed measurements, a dynamic internal wave model, a full field acoustic propagation model, and acoustic pressure measurements. Compared to the previous work on ADA, three important improvements have been made: 1) a linear internal wave model is included; 2) a more realistic shallow water environment from the Yellow Sea 1996 experiment is considered in the numerical simulations; 3) performance analyses are implemented for environmental inversion. The results further demonstrate the validity of the ADA approach." @default.
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- W2079682144 date "2010-09-01" @default.
- W2079682144 modified "2023-09-26" @default.
- W2079682144 title "Inversion of internal wave-perturbed ocean environments via acoustic data assimilation" @default.
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- W2079682144 doi "https://doi.org/10.1109/oceans.2010.5664101" @default.
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