Articles with "sea state" as a keyword



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Statistical analyses of sea state conditions in South China Sea

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Published in 2017 at "Journal of Ocean University of China"

DOI: 10.1007/s11802-017-3188-9

Abstract: The statistical characterization of sea conditions in the South China Sea (SCS) was investigated by analyzing a 30-year (1976–2005) numerically simulated daily wave height and wind speed data. The monthly variation of these parameters shows… read more here.

Keywords: south china; china sea; sea; conditions south ... See more keywords
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Trace-Norm Regularized Multi-Task Learning for Sea State Bias Estimation

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Published in 2020 at "Journal of Ocean University of China"

DOI: 10.1007/s11802-020-4267-x

Abstract: Sea state bias (SSB) is an important component of errors for the radar altimeter measurements of sea surface height (SSH). However, existing SSB estimation methods are almost all based on single-task learning (STL), where one… read more here.

Keywords: multi task; estimation; task; task learning ... See more keywords
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Nonparametric estimations of the sea state bias for a radar altimeter

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Published in 2017 at "Acta Oceanologica Sinica"

DOI: 10.1007/s13131-017-1116-x

Abstract: To estimate the sea state bias (SSB) for radar altimeter, two nonparametric models, including a Nadaraya-Watson (NW) kernel estimator and a local linear regression (LLR) estimator, are studied based on the Jason-2 altimeter data. Selecting… read more here.

Keywords: state bias; sea state; radar altimeter; altimeter ... See more keywords
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Estimation of sea state parameters by the wave buoy analogy with comparisons to third generation spectral wave models

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Published in 2020 at "Ocean Engineering"

DOI: 10.1016/j.oceaneng.2020.107781

Abstract: Abstract This paper presents a study focused on sea state estimation along the route of an in-service container ship. The paper is concerned with the wave buoy analogy in which wave-induced motions of the ship… read more here.

Keywords: wave buoy; sea state; buoy analogy;
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Tuning of vessel parameters including sea state dependent roll damping

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Published in 2021 at "Ocean Engineering"

DOI: 10.1016/j.oceaneng.2021.109084

Abstract: Abstract Online tuning of vessel models based on onboard measurement data can reduce the uncertainties of vessel motion prediction, and therefore potentially increase the safety and cost efficiency for marine operations. Among the uncertain vessel… read more here.

Keywords: roll; roll damping; sea state; vessel parameters ... See more keywords
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Sea state in the Baltic Sea from space-borne high-resolution synthetic aperture radar imagery

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Published in 2018 at "International Journal of Remote Sensing"

DOI: 10.1080/01431161.2017.1399475

Abstract: ABSTRACT In this work, remote sensing synthetic aperture radar (SAR) data from X-band TerraSAR-X and TanDEM-X (TS-X and TD-X) satellites have been used to adopt the algorithms for estimating sea state parameters in the specific… read more here.

Keywords: sea; wave; baltic sea; windsea ... See more keywords
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Sea State Impacts on Wind Speed Retrievals From C-Band Radars

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Published in 2017 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2016.2609101

Abstract: Scatterometers, a proven technology, provide ocean wind speeds and directions that are essential in operational forecasts, monitoring of the climate, and scientific applications. While the missions and geophysical model functions are performing well, challenges remain.… read more here.

Keywords: speed retrievals; wind speed; sea state;
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A Novel SAR Fractal Roughness Modeling of Complex Random Polar Media and Textural Synthesis Based on a Numerical Scattering Distribution Function Processing

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Published in 2021 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2021.3084822

Abstract: In this article, complex random polar media (CRPM) are synthesized by a forward numerical modeling based on the fractal statistical properties of the marginal ice zone (MIZ) in terms of its energy balance under sea… read more here.

Keywords: sea state; state; state conditions; distribution ... See more keywords
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Comparison of Sea Wave Measurement Systems Based on Marine Radar and Microseismic Technologies

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Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2021.3050815

Abstract: Sea state affects the coasts of all maritime regions, and it impacts anthropic infrastructures and influences the activities carried out in the sea as well as in its proximity. Sea-state monitoring is therefore important for… read more here.

Keywords: system; wave radar; sea state; radar system ... See more keywords
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An Uncertainty-Aware Hybrid Approach for Sea State Estimation Using Ship Motion Responses

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Published in 2022 at "IEEE Transactions on Industrial Informatics"

DOI: 10.1109/tii.2021.3073462

Abstract: Understanding current environmental conditions is essential for autonomous ships, among which real-time estimation of sea conditions is a key aspect. Considering the ship as a large wave buoy, the sea state can be estimated from… read more here.

Keywords: hybrid approach; sea state; ship motion; sea ... See more keywords
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Data-Driven Modeling for Transferable Sea State Estimation Between Marine Systems

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Published in 2022 at "IEEE Transactions on Intelligent Transportation Systems"

DOI: 10.1109/tits.2021.3129916

Abstract: Sea state estimation is beneficial for marine systems to enhance on-board decision-making and improve work efficiency. In the era of ship intelligence, artificial intelligence has greatly promoted the technology of sensing environment, such as by… read more here.

Keywords: state; state estimation; sea state; marine system ... See more keywords