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Старый 06-05-2018, 09:16   #2843
seadog0514
seadog
 
Регистрация: Aug 2016
Адрес: China
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Сообщение от CrazyIvan Посмотреть сообщение
UUV is not loud.
Such a noise profile has:

0 kts -55
1 - 60
2 - 60
3 - 61
4 - 62
5 - 62
6 - 63
7 - 63
8 - 63
9 - 63
10 - 64
11 - 64
12 - 64
13 - 66
14 - 67
15 - 70

The frequency profile is absent - because the type of MINE for UUV (preventing TIW msg).
Also, the frequency profiles will not be of the BIO type (whale Shrimp etc) and the Oil-Rig type (since the LAND class)
today I tested again, found out that, it's not that uuv is very noise, it's Virginia-class's ball sonar is very good.
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