- Tytuł:
- Influence of natural conditions on the imaging of the bottom of the Gdańsk Bay by means of the side scan sonar
- Autorzy:
-
Witos-Okrasińska, D.
Grelowska, G.
Kozaczka, E. - Powiązania:
- https://bibliotekanauki.pl/articles/258936.pdf
- Data publikacji:
- 2018
- Wydawca:
- Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
- Tematy:
-
side scan sonar imaging
Gdańsk Bay seabed
refraction of sound ray in sea
influence of ship’s movement on the wave on underwater imaging - Opis:
- The interest in underwater resources is the reason for the development of modern hydroacoustic systems, including side sonars, which find numerous applications such as: research of seabed morphology and sediment characteristics, preparation of sea sediment maps, and even in special cases of biocenoses such as sea grass meadows, detection of specific targets at the bottom such as shipwrecks, mines, identification of suitable sites for maritime infrastructure. Such applications require precise information about the position of the objects to be observed. Errors affecting the depiction of the bottom using hydroacoustic systems can be divided into errors associated with improper operation of measuring and support devices, systematic errors and random errors. Systematic errors result from the changing conditions prevailing in the analyzed environment affecting the measurement system. The errors affecting the correct operation of hydroacoustic systems can include: changing angle of inclination of the beam caused by the vessel’s movement on the wave or refraction connected to changes in the sound speed as the depth function.
- Źródło:
-
Polish Maritime Research; 2018, S 1; 104-110
1233-2585 - Pojawia się w:
- Polish Maritime Research
- Dostawca treści:
- Biblioteka Nauki
Artykuł