Résultats exploitables
A prototype high resolution sea floor mapping system has been development, making use of sophisticated signal processing, synthetic imaging algorithms and wide band transducer design. Software simulations of the performance of wide band synthetic sonar have been constructed, to assess image processing schemes. Numerical models of sonar echoes backscattered from the sea floor have been completed to determine how to interpret the data. The feasibility of towing a device from a vessel was investigated. Tests were carried out in water tanks, and parameters of experimental prototypes calculated from theory and experiment. Sea trials have been conducted to prove the feasibility of such a prototype (May 1993).
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