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Side-scan uses a sonar device that emits conical or fan-shaped pulses down toward the seafloor across a wide angle perpendicular to the path of the sensor through the water, which may be towed from a surface vessel or submarine (called a “towfish”), or mounted on the ship's hull.
By coherent reorganization of the data from all the pings, a synthetic-aperture image is produced with improved along-track resolution. In contrast to conventional side-scan sonar (SSS), SAS processing provides range-independent along-track resolution. At maximum range the resolution can be magnitudes better than that of side-scan sonars. [2]
Sonar: MS 1000 Sonar & Imaginex Sonar; Underwater cameras (2): 480 TVL Color Camera and low-light camera. She features the following equipment: [3] Multibeam echosounder (Kongsberg EM 1002) Sub-bottom profiler (Kongsberg TOPAS PS 40), Sparker (Geo Resources), Boomer (Applied Acoustics), Side-scan sonar (Klein System 3000)
It has a battery endurance of up to 110 hours and a range of up to 275 nmi (509 km), depending on installed modules, and a sprint speed of 8 knots (15 km/h). With a synthetic-aperture sonar installed, battery life is reduced to 78 hours with a range of 200 nmi (370 km). Design missions include mine countermeasures, hydrographic surveys ...
In 1997, the Kongsberg Mesotech introduced the SM 2000 Multibeam Sonar, the FS 925 Forward Scanning Trawl Sonar and the MS 900D Digital Telemetry Mechanically Scanned Sonar Processor. In 1999 the PC-based MS 1000 Scanning Sonar Processor, and the 1071-series of scanning sonar heads and altimeters were added to the suite of Kongsberg Mesotech ...
Sonar systems are generally used underwater for range finding and detection. Active sonar emits an acoustic signal, or pulse of sound, into the water. The sound bounces off the target object and returns an echo to the sonar transducer. Unlike active sonar, passive sonar does not emit its own signal, which is an advantage for military vessels.
The AN/AQS-20 naval mine hunting sonar systems will be employed for deeper mine threats. The "Q-20", as it is commonly called, is an underwater towed body containing a high resolution, side-looking, multi-beam sonar system used for minehunting along the ocean bottom. This rapidly deployable system provides real-time sonar images to operators to ...
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 ...
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