The synchrosqueezing method in bearing estimation of stationary signals for passive sonar with towed array

• Autorzy: Czarnecki K. , Leśniak W.
• Języki publikacji: EN

Abstrakty

EN

In this paper a novel method of the bearing estimation in a passive sonar system with a towed array is introduced. The classical approach of the bearing estimation based on the spatial spectrum is extended by using the synchrosqeezing method that is a part of the reassignment method introduced by Kodera et al. The usage of this method leads to the precise bearing estimation. The proposed method requires a relatively small amount of computation, because of possibility of using the FFT algorithm. Moreover, method immunity against AWGN is tested for a selected sonar array having regard to the direction of arrival and the signal frequency.

Słowa kluczowe

EN

reassignment method; time-frequency analysis; direction of arrival

• Wydawca: Polskie Towarzystwo Akustyczne. Oddział Gdański
• Czasopismo: Hydroacoustics
• Rocznik: 2015
• Tom: Vol. 18
• Strony: 41--46
• Opis fizyczny: Bibliogr. 30 poz., rys.

Twórcy

autor

Czarnecki K.

• Gdansk University of Technology Faculty of Electronics, Telecommunications and Informatics Department of Marine Electronic Systems, Narutowicza 11/12, 80-233 Gdansk, Poland

autor

Leśniak W.

• Gdansk University of Technology Faculty of Electronics, Telecommunications and Informatics Department of Marine Electronic Systems, Narutowicza 11/12, 80-233 Gdansk, Poland

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