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Describes the measurement systems, procedures & methodologies used for the beam aspect measurement of underwater sound pressure levels from ships at given operating conditions. Resulting quantities are nominal source level values. Does not require use of specific ocean location, but provides requirements for an ocean test site. Underwater SPL measurements are performed in the far-field & then corrected to a reference distance of 1 m. Applicable to all surface vessels manned or unmanned.
Author | Acoustical Society of America (ASA) |
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Editor | ASA |
Document type | Standard |
Format | File |
Confirmation date | 2014-09-10 |
Edition | 9 |
ICS | 03.220.40 : Transport by water
17.140.20 : Noise emitted by machines and equipment |
Year | 2009 |
Document history | |
Country | USA |
Keyword | ANSI 12;ANSI/ASA S 12;ANSI/ASA S 12.64;ANSI/ASA 12;12;ANSI/ASA S12.64-2009/Part 1 (R2014) |