Military Standard of the People's Republic of China-General Armament Department
Latest
GJB 6639-2008
Scope
This standard specifies the testing and data processing methods of underwater sound propagation characteristics. This standard is applicable to the measurement test of underwater sound propagation characteristics during the finalization and inspection of weapons and equipment models, as well as the scientific research measurement test of underwater sound propagation characteristics and underwater acoustic physics research.
GJB 6639-2008 Referenced Document
GB/T 16165 Measurement method of hydrophone phase consistency
GB/T 3223 Acoustics--Free-field calibration method of underwater sound transducers