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5. Ambient and clean noise (NL)
5.1 Ambient noise
Figure 10 shows a typical chart of average "stationary" ocean noise levels over a wide range of the spectrum (from 1 Hz to 1 MHz).
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Ambient and clean noise (NL)
Bibliography
General works on sonar
Websites
Online calculation of the α coefficient http://resource.npl.co.uk/acoustics/techguides/seaabsorptio n
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