Marine vibrator source: Modular projector system

Orji, Okwudili C.; Oscarsson-Nagel, Mattias; Söllner, Walter; Trætten, Ø.; Nams, Dainis; Yeatman, P.

doi:10.1190/segam2019-3215325.1

Cited by 3 publications

(1 citation statement)

References 8 publications

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“…One example is marine vibroseis, a source that is being developed to replace a conventional air gun array with much reduced SPLs [107][108][109]. Source characteristics of marine vibroseis are mostly modeled; there are few in situ measurements of sound levels of marine vibroseis to date [110].…”

Section: Source Characterizationmentioning

confidence: 99%

Use of Underwater Acoustics in Marine Conservation and Policy: Previous Advances, Current Status, and Future Needs

Guan

Brookens

Vignola

2021

JMSE

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The interdisciplinary field of assessing the impacts of sound on marine life has benefited largely from the advancement of underwater acoustics that occurred after World War II. Acoustic parameters widely used in underwater acoustics were redefined to quantify sound levels relevant to animal audiometric variables, both at the source and receiver. The fundamental approach for assessing the impacts of sound uses a source-pathway-receiver model based on the one-way sonar equation, and most numerical sound propagation models can be used to predict received levels at marine animals that are potentially exposed. However, significant information gaps still exist in terms of sound source characterization and propagation that are strongly coupled with the type and layering of the underlying substrate(s). Additional challenges include the lack of easy-to-use propagation models and animal-specific statistical detection models, as well as a lack of adequate training of regulatory entities in underwater acoustics.

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Section: Source Characterizationmentioning

confidence: 99%

Use of Underwater Acoustics in Marine Conservation and Policy: Previous Advances, Current Status, and Future Needs

Guan

Brookens

Vignola

2021

JMSE

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Design of automatic drink bottle cap sorter based on PLC CPIE using sensor and DC converter system vibrating

Pasaribu,

Nasution,

Evalina

et al. 2024

AIP Conference Proceedings

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The music of marine seismic: A marine vibrator system based on folded surfaces

et al. 2020

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Marine vibrators have bespoke geophysical benefits that are yet to be harnessed because of robustness and efficiency issues. We have developed a new marine vibrator source technology that is efficient and stable. The source technology overcomes the historical problems of inefficiency and robustness by using folded surface technology and resonance frequency tuning. We show measured output examples that demonstrate that the folded surface concept combined with small displacements can provide the required output levels. Our source system consists of a low-frequency module covering 1–10 Hz and a high-frequency module covering 10–125 Hz. The source control system has shown high stability and precision and can handle harmonic distortion. With the aid of synthetic data examples, we demonstrate that seismic data acquired using marine vibrators in either intermittent or continuous mode can be processed. Finally, we demonstrate the environmental friendliness of the source in comparison to air gun-based sources.

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Marine vibrator source: Modular projector system

Cited by 3 publications

References 8 publications

Use of Underwater Acoustics in Marine Conservation and Policy: Previous Advances, Current Status, and Future Needs

Use of Underwater Acoustics in Marine Conservation and Policy: Previous Advances, Current Status, and Future Needs

Design of automatic drink bottle cap sorter based on PLC CPIE using sensor and DC converter system vibrating

The music of marine seismic: A marine vibrator system based on folded surfaces

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