Accession Number:

ADA010552

Title:

Applications of Parametric Sonar to Under-Ice Operations. Volume II.

Descriptive Note:

Final rept.,

Corporate Author:

RAYTHEON CO PORTSMOUTH R I SUBMARINE SIGNAL DIV

Personal Author(s):

• Bell,D. L.
• Britton,L. C.
• Porter,W. J.

Report Date:

1975-04-25

Pagination or Media Count:

79.0

Abstract:

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.

Descriptors:

• *SONAR
• *UNDERICE
• PROFILES
• OPERATION
• BOTTOM
• SEA ICE
• PARAMETRIC DEVICES

Subject Categories:

• Snow, Ice and Permafrost
• Acoustic Detection and Detectors

Distribution Statement:

APPROVED FOR PUBLIC RELEASE