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Zvezdochka was to carry out the refit, repair mechanical parts, and replace nuclear fuel and all electrical equipment of the submarines. The submarines were also expected to receive a new sonar, combat information management system (BIUS), the GLONASS navigation system and new armament consisting of the Kalibr cruise missiles. [ 15 ]
Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of "targets" in the water. [4] Acoustic location in air was used before the introduction of radar. Sonar may also be used for robot navigation, [5] and sodar (an upward-looking in-air sonar
The main parts of these sonars were developed by the Plessey Marine Research Unit at Templecombe, Somerset. The sonar work at the Cheadle Heath site expanded into digital signal processing, algorithm development, display generation, simulation, LCD and TV displays, mass storage, computer interfaces and highways.
The DUBV 43C towed array sonar of La Motte-Picquet.. A towed array sonar is a system of hydrophones towed behind a submarine or a surface ship on a cable. [1] Trailing the hydrophones behind the vessel, on a cable that can be kilometers long, keeps the array's sensors away from the ship's own noise sources, greatly improving its signal-to-noise ratio, and hence the effectiveness of detecting ...
Output of a computer model of underwater acoustic propagation in a simplified ocean environment. A seafloor map produced by multibeam sonar. Underwater acoustics (also known as hydroacoustics) is the study of the propagation of sound in water and the interaction of the mechanical waves that constitute sound with the water, its contents and its boundaries.
Sonobuoy being loaded onto a USN P-3C Orion aircraft Hand deployment of a sonobuoy in the Arctic Ocean from the aft deck of the R/V Sikuliaq. A sonobuoy (a portmanteau of sonar and buoy) is a small expendable sonar buoy dropped from aircraft or ships for anti-submarine warfare or underwater acoustic research.
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