Abstract
The geoacoustic inversion method based on the use of warping operators is applied to data collected during experiments in the autumn of 2012 at the Sea of Japan. In these experiments, broadband sound pulses emitted by a compact transducer were recorded by an acoustic station equipped with a digital radio buoy. The recorded signals are used for the estimation of acoustic properties of bottom sediments. The warping transformation is applied to the signal in order to perform mode filtration on the signal’s spectrogram. This filtration allows us to estimate group velocities of different modes which are then used as the data for inversion. The results of the inversion are discussed.
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References
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Acknowledgments
We are very much obliged to Dr. Julien Bonnel and Prof. Ross Chapman for their kind attention to our numerous questions concerning the warping-based inversion method, for sharing their experience and parts of their code. We are also very grateful to Dr. Alexander Rutenko, Dr. Alexander Solovyev and Denis Manul’chev for providing us with the experimental data and patiently answering our questions related to the conduct of their experiments. The reported study was partially supported by RFBR (research project No. 12-05-33022-mol_a_ved).
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© 2016 Zhejiang University Press and Springer Science+Business Media Singapore
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Petrov, P.S. (2016). The Preliminary Results of a Single-Hydrophone Geoacoustic Inversion for Data Collected at the Sea of Japan. In: Zhou, L., Xu, W., Cheng, Q., Zhao, H. (eds) Underwater Acoustics and Ocean Dynamics. Springer, Singapore. https://doi.org/10.1007/978-981-10-2422-1_5
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DOI: https://doi.org/10.1007/978-981-10-2422-1_5
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