Results 81 to 90 of about 346 (129)
A Web-Based Interactive Application to Simulate and Correct Distortion in Multibeam Sonars
Journal of Marine Science and EngineeringMultibeam sonars are advanced scientific tools for estimating fish school volume and density, using multiple beams to provide comprehensive size measurements of detected targets.
Guillermo Boyra, Udane Martinez
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Remote SensingKelps are important habitat-forming species in shallow marine environments, providing critical habitat, structure, and productivity for temperate reef ecosystems worldwide.
Amy W. Nau +5 more
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Modulated Signal Impact on Multibeam Echosounder Bathymetry
, 2013 La nouvelle génération de sondeurs multifaisceaux (SMF) utilise des signaux modulés en fréquence (FM) afin d'accroître l'énergie émise dans le milieu (via la durée des impulsions) tout en gardant une bonne résolution grâce à la compression d'impulsion (filtrage adapté).
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Narrow-multibeam Echosounders Designed for Shallow Water
Journal of the Japan Society for Marine Surveys and Technology, 2000 Matsuda, Takeya +2 more
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Identification of mussel clusters in multibeam echosounder backscatter data
Estuarine, Coastal and Shelf ScienceInken Schulze +4 more
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Using multibeam echosounder backscatter to characterize seafloor features
, 2010 openaire +1 more source
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Evolution and Future of Multibeam Echosounder Technology
2007 Symposium on Underwater Technology and Workshop on Scientific Use of Submarine Cables and Related Technologies, 2007The MultiBeam Echo Sounder (MBES) has become an important tool in oceanic applications such as seafloor mapping, sediment evaluation, sub-bottom profiling, surveys, fisheries research, mine countermeasures, and underwater inspections. Intense interest has been directed toward improvements in performance, and new concepts are being introduced at a rapid
Bud Volberg, Thomas Meurling
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High-resolution interferometry for multibeam echosounders
Europe Oceans 2005, 2005Two main approaches are met today in swath bathymetry sonar systems. Interferometric sidescan sonars use the phase difference between two (or more) close receivers to estimate the arrival angle of instant signal. Multibeam echosounders (MBES) use beamforming methods (prior to amplitude or phase detection) in order to obtain an intrinsic spatial ...
Llort Pujol, Gerard +2 more
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Roughness parameters imaging with a multibeam echosounder
The Journal of the Acoustical Society of America, 2017The aim of the study is to perform quantitative imaging of the seafloor random parameters using a multibeam echosounder. More specifically we present in this communication a focus on the interface roughnesses with controlled parameters using a 3D modeling of a layered media with rough interfaces.
Samuel Pinson +2 more
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Methods of Multibeam Echosounders Resolution Increasing
2006The methods of resolution increasing were considered in this work. These methods are applied to the samples of experimental data as well as model data. The results obtained can be compared with ones are found by the standard DFT processing.
Oleg V. Dmitriev +2 more
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