flow noise

8.12  flow noise. Noise due to flow over any object. Annotation              See also...

biologics

8.11  biologic noise; biologics. Underwater acoustic noise generated by aquatic...

biologic noise

8.11  biologic noise; biologics. Underwater acoustic noise generated by aquatic...

ambient noise

8.09  ambient noise. All noise that would be present in the absence of the measuring equipment and its deployment platform, and (for an active sonar) in the absence of reverberation from the sonar transmitter....