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FeyRay Evaluation: 2007

2008

Fulford, James K.

The capabilities of the FeyRay acoustic prediction model (version 1.12 Foreman 2007) are analyzed through comparison with the Navy Standard Parabolic Equation Model (NSPE), and the GRAB (Gaussian Ray Bundle eigenray propagation model) in a limited number of environments. Measurements of the relationship between GRAB and NSPE are designed to quantify the meaning of our FeyRay measurements in terms of another commonly used OAML model for Gaussian Beam propagation. The measurements reported here indicated that the accuracy and execution speed of FeyRay are sufficient to justify its use in high-fidelity training systems.

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Mots clés AGROVOC

accuracy acoustics deep water models shallow water training wave propagation

Informations bibliographiques

D'autres materias

Gaussian beam; Beams(radiation); Propagation; Nspe(navy standard parabolic equation) model; Rates; Predictions; Environments; *acoustic equipment

Langue

anglais

Note

The original document contains color images.

Licence

http://stinet.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA477291Approved for public release; distribution is unlimited.

Type

Text

Source

NAVAL RESEARCH LAB STENNIS SPACE CENTER MS ACOUSTIC SIMULATION MEASUREMENTS AND TACTICS BRANCHDTIC

Auteur institutionnelle

NAVAL RESEARCH LAB STENNIS SPACE CENTER MS ACOUSTIC SIMULATION MEASUREMENTS AND TACTICS BRANCH

Sur AGRIS depuis: 2013-06-15

Format: AGRIS AP

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Liens

http://stinet.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA477291

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