Continuous wavelet transform in hydroacoustics signals analysis

• Autorzy: Zak A.
• Języki publikacji: EN

Abstrakty

EN

Paper presents method of Continuous Wavelet Transform (CWT) used in process of hydroacoustics signals analysis. The continuous wavelet transform can be used to produce spectrograms which show the frequency content of signals as a function of time. Such representation is very useful during analysis of non-stationary signals which can be acquired during passive measurements of hydroacoustics field of moving ships. In paper there is described the continuous wavelet transform analysis method by presenting the mathematical background of CWT and its properties. At the end some examples of hydroacoustics signals analysis and its brief descriptions was shown.

• Wydawca: Polskie Towarzystwo Akustyczne. Oddział Gdański
• Czasopismo: Hydroacoustics
• Rocznik: 2011
• Tom: Vol. 14
• Strony: 267--274
• Opis fizyczny: Bibliogr. 6 poz., rys.

Twórcy

autor

Zak A.

• Polish Naval Academy 69, J. Śmidowicza St., 81-103 Gdynia, Poland,

Bibliografia

• [1] Białasiewicz J. T., Wavelets and approximation (in Polish), WNT, Warsaw, 2004.
• [2] Polikar R., The Engineer’s Ultimate Guide To Wavelet Analysis, The Wavelet Tutorial, website: http://users.rowan.edu/~polikar/WAVELETS/WTtutorial.html.
• [3] Hennel J., Olejniczak Z., How to understand wavelets. Fundamentals of wavelet analysis of signals (in Polish), ZamKor, Krakow 2010.
• [4] Wojtaszczyk P., Teoria falek, PWN, Warsaw 2000.
• [5] Valens C., A Really Friendly Guide to Wavelets, website: http://polyvalens.pagespersoorange. fr/clemens/wavelets/wavelets.html.
• [6] help of Matlab® application.