Title :
Calibrating a narrowband 18-kHz sonar
Author :
Foote, Kenneth G.
Author_Institution :
Woods Hole Oceanogr. Inst., MA, USA
Abstract :
Quantifying sonar backscatter generally requires a calibrated system. The principles of active sonar calibration by standard target are reviewed for the case of a narrowband echo sounder. This is illustrated for a particular system, the Simrad EK500/18-kHz scientific echo sounder. The principal dependence of target strength on medium sound speed for the design sphere of pure electrolytic copper with diameter 64 mm is described
Keywords :
calibration; oceanographic equipment; sonar; 18 kHz; 64 mm; Cu; Simrad EK500 echo sounder; design sphere; narrowband echo sounder; narrowband sonar calibration; pure electrolytic copper; sonar backscatter; sound speed; standard target; target strength; Acoustic measurements; Acoustic scattering; Backscatter; Bandwidth; Calibration; Copper; Frequency; Narrowband; Solids; Sonar;
Conference_Titel :
OCEANS, 2001. MTS/IEEE Conference and Exhibition
Conference_Location :
Honolulu, HI
Print_ISBN :
0-933957-28-9
DOI :
10.1109/OCEANS.2001.968394
