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Digital Towed Array for Mammal survey


Mammal survey is one of application fields where SMID Technology devices can provide superior performances. The interest in mammal monitoring and tracking derives from the following statements:

  • High concern from public opinion about marine and mammal life conditions 
  • Requirement for any LF active acoustic experiment
  • Current detection and tracking techniques are inadequate



SMID Technology developed a Digital Towed Array based on very low noise preamplified hydrophones (band 80 kHz, compensated versus acceleration) connected to an underwater Transmission Unit that includes proper A/D converters (192 kHz of Sampling Frequency) and the drivrers to feed digital data through a 300 meters towing cable.  A black-box (Receiving Unit) at the dry termination of the cable allows the connection to a COTS PC ir Lap Top via standard USB2 ports.  

The system has been developed in co-operation with CIBRA – (Pavia)

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