nautronix - Subsea UK
nautronix - Subsea UK
nautronix - Subsea UK
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NAUTRONIX<br />
MARINE TECHNOLOGY SOLUTIONS<br />
www.<strong>nautronix</strong>.com<br />
Accuracy - Sound Velocity<br />
• Acoustic systems measure distances (and sometimes angles)<br />
• Distance = time x speed (velocity)<br />
• SV in water approx 1500m/s<br />
<br />
Travel time 4 seconds in 3000m water<br />
0<br />
Sound Velocity (m/s)<br />
1480 1490 1500 1510 1520 1530 1540 1550 1560<br />
500<br />
1000<br />
Depth (m)<br />
1500<br />
2000<br />
2500<br />
3000
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