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The Acoustic range for submarines consists of a set of acoustic sensors - hydrophones - generally mounted in a vertical configuration.

This vertical antenna allows the operator to perform acoustic measurements at different water depths in accordance with the operational navigation constraints of the submarine.

An accurate acoustic positioning system is used in association with the measurement system.

The limit of submarine efficiency is its acoustic signature. It is of first importance for the crew to have a perfect knowledge of this signature in the various navigation conditions.

The solution proposed by ECA Group is the fully qualified solution to acquire in real time this signature in the complete depth and speed range of the submarine.



  • Fast assessment of submarine vulnerability
  • Very accurate acoustic signature acquisition
  • Measure at different depth and speed


  • Navies
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