submarine acoustics
21SOSUS — SOSUS, an acronym for SOund SUrveillance System, was a chain of underwater listening posts located across the northern Atlantic Ocean near Greenland, Iceland and the United Kingdom mdash;the so called GIUK gap. It was originally operated by the U …
22Seabed — This article is about ocean floor. For the 2001 song by Audio Adrenaline, see Lift (Audio Adrenaline album). Map showing the underwater topography (bathymetry) of the ocean floor. Like land terrain, the ocean floor has ridges, valleys, plains and …
23Marine pollution — While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm. Marine pollution occurs when harmful, or potentially harmful effects, can result from the entry… …
24Typhoon-Klasse — Projekt 941 Ein Projekt 941 Boot …
25Geophysical MASINT — is a branch of Measurement and Signature Intelligence (MASINT) that involves phenomena transmitted through the earth (ground, water, atmosphere) and manmade structures including emitted or reflected sounds, pressure waves, vibrations, and… …
26Upwelling — If the wind in blows parallel to the coast in the southern hemisphere (such as along the coast of Peru, where the wind blows North), then Ekman transport produces a net movement of surface water 90 degrees to the left. This can result in coastal… …
27P-3 Orion — infobox Aircraft name = P 3 Orion caption = U.S. Navy P 3C Orion assigned to VP 22 type = Maritime patrol aircraft national origin = United States manufacturer = Lockheed designer = first flight = 25 November 1959 introduction = 1962 status =… …
28USS Albacore (AGSS-569) — was a unique research submarine that pioneered the American version of the teardrop hull form (sometimes referred to as an Albacore hull ) of modern submarines. The design was directly influenced by the Type XXI U boat submarine, and the Soviets… …
29Soviet Navy — Военно морской флот СССР Voyenno morskoy flot SSSR …
30Doppler effect — Change of wavelength caused by motion of the source. An animation illustrating how the Doppler effect causes a car engine or siren to soun …
