Abstract
The paper considers a tomography scheme based on nonlinear interaction of three noncollinear primary waves and discusses how a signal appearing due to double second-order interaction affects estimation of the acoustic nonlinear parameters of a studied object. A technique is proposed for obtaining separate estimates of second- and third-order nonlinear parameters in the coding of the three primary waves.
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Original Russian Text © V.A. Burov, R.V. Kryukov, O.D. Rumyantseva, 2015, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2015, Vol. 79, No. 12, pp. 1676–1681.
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Burov, V.A., Kryukov, R.V. & Rumyantseva, O.D. Principles of third-order acoustic tomography based on nonlinear interaction of coded waves. Bull. Russ. Acad. Sci. Phys. 79, 1468–1472 (2015). https://doi.org/10.3103/S1062873815120114
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DOI: https://doi.org/10.3103/S1062873815120114