Evaluation of nonlinear constants from results of acoustic measurements. Regularization of problem

• Autorzy: Leble S. B. , Vereshchagin D. A. , Vereshchagina I. S.
• Języki publikacji: EN

Abstrakty

EN

The method of nonlinear constants B/A and C/A determination is discussed. It bases on comparison of experimental results of acoustic signal propagation with results of theoretical investigation of this problem. It is shown, that this problem, in general case, is ill-posed. So we use methods of ill-posed problem solution regularization. The values of the constants, which were extracted using this method, are in good accordance with estimations by other authors.

Słowa kluczowe

EN

acoustic measurements; regularization

• Wydawca: Polskie Towarzystwo Akustyczne. Oddział Gdański
• Czasopismo: Hydroacoustics
• Rocznik: 2003
• Tom: Vol. 6
• Strony: 159--166
• Opis fizyczny: Bibliogr. 11 poz., rys.

Twórcy

autor

Leble S. B.

• Theoretical Physics and Mathematical Methods Department, Technical University of Gdansk, Gdansk, Poland

autor

Vereshchagin D. A.

• Theoretical Physics Department, Kaliningrad State University, Kaliningrad, Russia

autor

Vereshchagina I. S.

• Theoretical Physics Department, Kaliningrad State University, Kaliningrad, Russia

Bibliografia

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• 3. S. Leble, I. Vereshchagina, Khokhlov - Zabolotskaya-Kuznetsov equation with cubic term and virial coefficients, Acta Acustica, Vol. 85,685-690, 1999.
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• 7. S. Leble, K. Zachariasz, Multiple frequencies contributions of nearfieId sound diffraction from uniforrnly excited piston, in Proceedings of the Xlll-th Symposium on Hydroacoustics, Gdansk - Jurata, 165-172, 1996.
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