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1

Information about dynamics of the sea surface as a means to improve safety of the unmanned vessel at sea

100%
Przyborski M.
Polish Maritime Research
|
2016
|
tom 23
|
nr 4
One of the fundamental states of the sea surface is its heave. Despite of years of the intense scientific inquiry, no clear understanding of the influence of this aspect on the dynamics of the sea environment has emerged. The separation of two nearby fluid elements which one may observed for example as a free floating of small objects on the sea surface (rescuers on the rough sea or small research vessels) is caused by the interaction of different components. On the other hand one may say that the heave of the sea is also a summary interaction of a few components describing the dynamics of the sea. Therefore it is the most important aspect, which influenced the dispersion phenomenon. This observation has important consequences for many different problems as for example conducting Search and Rescue missions and using unmanned ships. We would like to present results of our experiment focused on finding the answer to question about nature of the heave of the sea and its influence on safety of Unmanned Surface Vessels (USV)
2

Some aspects of filtrating finite sets of noisy data

100%
Przyborski M.
Polish Journal of Environmental Studies
|
2005
|
tom 14
|
nr Suppl.1
This paper presents the results obtained from investigating the problepa how much information about the system’s dynamics can be recovered from the finite sets of noisy measurements. As an example of data, the hydro acoustical signalp representing different boats have been used. In particular, filtering of signals is discussed, as well as methods of reconstruction the state space.
3

Do the changes of the function of excitation of pole motion have deterministic components?

51%
Przyborski M., Pyrchla J., Serafin M.
Polish Journal of Environmental Studies
|
2005
|
tom 14
|
nr Suppl.1
The unique changes of the components X1X2 of the function of excitation of the pole? Those changes still remain not fully understood. We address the question about the distribution of those changes, do they have deterministic nature or not?
4
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

Attenuation of wave-induced groundwater pressure in shallow water. Part 2. Theory

51%
Massel S. R., Przyborska A., Przyborski M.
Oceanologia
|
2005
|
tom 47
|
nr 3
5
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

Attenuation of wave-induced groundwater pressure in shallow water. Part 1

51%
Massel S. R., Przyborska A., Przyborski M.
Oceanologia
|
2004
|
tom 46
|
nr 3
A coastal aquifer has a dynamic seaward boundary at the beach face where physical and ecological processes are influenced by oceanic water level fluctuations. Many basic groundwater concepts and the role of the impact of groundwater seepage on beach ecosystems are still poorly understood. Studies are needed to improve our understanding of the relationships between surface and subsurface flow processes on beaches. This is particularly helpful in clarifying the interaction of the physical processes, biodiversity and productivity of sandy beaches, sediment transport and coastal structure stability and modern beach nourishment techniques. As the estimation of infiltration into beach sand is very difficult to carry out under real sea conditions, a control led large-scale laboratory experiment was carried out in the LargeWave Channel in Hannover (Germany) as part of a project supported by the European Community (contract HPRI-CT-2001-00157). First part of the paper describes the technology applied in the experiment and reports some preliminary results.
6

Maritime laser scanning as the source for spatial data

33%
Burdziakowski P., Janowski A., Kholodkov A., Matysik K., Matysik M., Przyborski M., Szulwic J., Tysiac P., Wojtowicz A.
Polish Maritime Research
|
2015
|
tom 22
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nr 4
The rapid development of scanning technology, especially mobile scanning, gives the possibility to collect spatial data coming from maritime measurement platforms and autonomous manned or unmanned vehicles. Presented solution is derived from the mobile scanning. However we should keep in mind that the specificity of laser scanning at sea and processing collected data should be in the form acceptable in Geographical Information Systems, especially typical for the maritime needs. At the same time we should be aware that data coming from maritime mobile scanning constitutes a new approach to the describing of maritime environment and brings a new perspective that is completely different than air and terrestrial scanning. Therefore, the authors, would like to present results of an experiment aimed at testing the possibilities of using mobile scanning at sea. Experiment was conducted in the harbour and the associated environment of neighbouring southern coast of the Baltic Sea
7

eBalticGrid - an interactive platform for the visualisation of results from a high-resolution operational Baltic Sea model

33%
Jakacki J., Przyborska A., Nowicki A., Wichorowski M., Przyborski M., Bialoskorski M., Sochacki C., Tylman R.
Meteorology Hydrology and Water Management. Research and Operational Applications
|
2017
|
tom 05
|
nr 2
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