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- W2017282655 abstract "Performance of a 0.5–12 KHz chirp sonar sub-bottom profiler is evaluated for different bottom types. The bottom types at different survey sites include mud (Malta Plateau and Gulf of Mexico), silt (Santa Barbara Channel), sand (New Jersey Shelf), and mud stone (Oregon Shelf). Excellent vertical resolution and penetration revealed several geological features (e.g., buried river channels, mud slides, seep alterations, etc.) at muddy, silty, and sandy sites. Sub-bottom imaging at the Oregon Shelf site was relatively poor due to insufficient penetration and interference from sidelobes over a rough terrain of mud-stone bottom. Several improvements on the instrument reponse and source-receiver beam patterns are discussed. Methods for estimation of bottom types and measurements of reflection and attenuation coefficients are also presented. [Work supported by ONR.]" @default.
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- W2017282655 date "2007-11-01" @default.
- W2017282655 modified "2023-09-26" @default.
- W2017282655 title "Performance of a chirp sonar sub-bottom profiler for different bottom types" @default.
- W2017282655 doi "https://doi.org/10.1121/1.2942640" @default.
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