Accession Number:

AD1113815

Title:

Geo-Acoustic Inversion of the PROSIM '97 Experimental Data Using Simplex Simulated Annealing

Descriptive Note:

[Technical Report, Memorandum Report]

Corporate Author:

SACLANT UNDERSEA RESEARCH CENTRE LA SPEZIA (ITALY)

Report Date:

2000-01-01

Pagination or Media Count:

34

Abstract:

The determination of sediment type is an important factor in the environmental assessment of shallow-water locations. For mine countermeasure operations, the sediment seabed can have a strong influence on the type and duration of the operation to be performed. For antisubmarine warfare operations, the sediment type influences the acoustic transmission loss and therefore the range of detection. The direct measurement of ocean bottom properties by core sampling, for example, is a difficult and time consuming process. The application of efficient inversion techniques on measured acoustic data makes it possible to extract average bottom properties in shallow-water regions by use of numerical simulations. A complete geo-acoustic inversion can be obtained within a few hours, which is an important factor in Rapid Environmental Assessment.

Subject Categories:

  • Acoustics

Distribution Statement:

[A, Approved For Public Release]