The imaging of Gdansk Bay seabed by using side sonar

• Autorzy: Grelowska G. , Kozaczka E. , Witos-Okrasińska D. , Szymczak W.

Identyfikatory

DOI

10.2478/pomr-2018-0031

• Języki publikacji: EN

Abstrakty

EN

This paper is mainly aimed at presentation of an impact of environmental conditions on imaging accuracy by using hydro-acoustic systems in waters of a high non-uniformity of spatial distribution of hydrological parameters. Impact of refraction on erroneous estimation of range, in case of wave radiation into water under a large angle, like in side sonars or multi-beam echo-sounders, is especially important. In this paper seasonal changes in sound speed and its impact on acoustic beam refraction is discussed. And, examples which illustrate errors in determination of side sonar range occurred during last investigations carried out in Gdansk Bay waters are presented.

Słowa kluczowe

EN

Gdańsk Bay seabed; side sonar; hydro-acoustic systems in waters

• Wydawca: Gdańsk University of Technology, Faculty of Ocean Engineering & Ship Technology
• Czasopismo: Polish Maritime Research
• Rocznik: 2018
• Tom: S 1
• Strony: 111--118
• Opis fizyczny: Bibliogr. 19 poz., rys.

Twórcy

autor

Grelowska G.

• Gdańsk University of Technology, Poland

autor

Kozaczka E.

• Gdańsk University of Technology, Poland
• Polish Naval Academy, Gdynia, Poland

autor

Witos-Okrasińska D.

• Gdańsk University of Technology, Poland

autor

Szymczak W.

• Polish Naval Academy, Gdynia, Poland

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).