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MAST Asia 2017: NEC Showcasing its Underwater Invasion Warning System

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MAST Asia 2017 Online Show Daily - NEC
 
 
 
MAST Asia 2017: NEC Showcasing its Underwater Invasion Warning System
 
At MAST Asia 2017 (Maritime Air Systems & Technologies), the naval defense exhibition currently held in Tokyo, Japanese company NEC is showcasing its underwater invasion warning system.
     
MAST Asia 2017: NEC Showcasing its Underwater Invasion Warning SystemActive acoustic sensor on display on NEC stand at MAST Asia 2017
     
It is a system to report the presence and location of objects underwater that have invaded the monitored area. Underwater objects in the monitored area can be automatically found and their movements tracked. The locations and movements of underwater threats can be viewed intuitively on a map (satellite image or aerial photo) in real time and can also be played back. Multiple alarm features provide alerts such as changing the color of symbols on the monitor, emitting quiet or loud warning signals, or changing the color of warning lamps according to the level of risk posed by the discovered underwater object.

The active acoustic sensor emits sound from its main unit and detects the sound reflected from an object. It then can calculate the distance to the object and the object's azimuth.