Abstract
The Clutter 07 experiment was carried out this May in the Straits of Sicily on board the R/Vs Alliance and Oceanus with the participation of NATO Undersea Research Centre, NRL, Applied Research Lab-Pennsylvania State University, and Defense Research and Development Canada. High repetition rate monostatic active sonar data collected off the alliance on the Malta Plateau during this experiment is processed to show significant inter-ping correlation indicative of the utility of performing coherent synthetic aperture sonar (SAS). Strip SAS images of scattering from a rocky outcrop on the bottom known as the Ragusa ridge show that the lateral extent of returns from compact objects can be reduced through SAS techniques for real shallow water environments using autofocusing techniques. [Work supported by ONR.]
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