Applications of Parametric Sonar to Under-Ice Operations. Volume II.
RAYTHEON CO PORTSMOUTH R I SUBMARINE SIGNAL DIV
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The report describes an investigation concerning parametric sonar applications to under-ice operations. Two basic tasks are undertaken. These are first, a data gathering program in an environment which partially simualtes the under-ice environment and second, a theoretical investigation which extrapolates the results obtained to the under-ice environment. To gather data in a representative environment, a parametric sonar operating in a sub-bottom profiling mode was used in a downward looking mode analogous to upward scanning of the water to sea-ice interface. Results were analyzed and compared to possible under-ice operations in the theoretical investigations.
- Snow, Ice and Permafrost
- Acoustic Detection and Detectors