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Wyświetlanie 1-10 z 10
Tytuł:
Computational and Statistical Aspects of Determining Ships Position
Autorzy:
Drapella, A.
Morgaś, W.
Powiązania:
https://bibliotekanauki.pl/articles/320950.pdf
Data publikacji:
2017
Wydawca:
Polskie Forum Nawigacyjne
Tematy:
determining ship’s position
Least Square method
conjugate gradient
Monte Carlo method
Opis:
In its mathematical essence, the task of determining ship’s position coordinates, is to minimize appropriately defined goal function. This paper proposes to use the method of conjugate gradient for this purpose. The reason is that calculations may be performed in some seconds time because Microsoft and Apache implemented the conjugate gradient method as a tool called the Solver and embedded this tool in their widely offered and popular spreadsheets, namely Excel and the Open Office Calc, respectively. Further in this paper it is shown how to precisely assess errors of ship’s position coordinates with the Monte Carlo method that employs the Solver.
Matematyczna istota wyznaczania współrzędnych pozycji okrętu to minimalizacja odpowiednio zdefiniowanej funkcji celu. Artykuł proponuje wykorzystanie do tego metody gradientu sprzężonego. Dzięki niej obliczenia mogą być wykonane w kilka sekund, ponieważ Microsoft i Apache zaimplementowały metodę gradientu sprzężonego jako narzędzie nazwane Solver i umieściły je w swych szeroko oferowanych i popularnych arkuszach kalkulacyjnych: Excelu i Open Office Calc. W artykule pokazano także, jak precyzyjnie określić błędy oszacowania współrzędnych pozycji okrętu metodą Monte Carlo.
Źródło:
Annual of Navigation; 2017, 24; 5-18
1640-8632
Pojawia się w:
Annual of Navigation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Navigational infrastructure : its state, its establishing and its changes
Autorzy:
Kopacz, Z.
Morgaś, W.
Urbański, J.
Powiązania:
https://bibliotekanauki.pl/articles/320601.pdf
Data publikacji:
2003
Wydawca:
Polskie Forum Nawigacyjne
Tematy:
nawigacja
żegluga
navigation
Opis:
In this paper, the navigational infrastructure, i.e. the infrastructure of maritime navigation, has been presented and discussed. There is shown the place of navigational infrastructure in Maritime Safety System and in Maritime Navigation Safety System. There are discussed the parts, kinds and elements of navigational infrastructure as well as the basic requirements towards this infrastructure. There are also presented and discussed the basic features which should be taken into consideration while establishing the new elements of the navigational infrastructure, especially of coastal or local coverage. The basic changes of today’s elements of navigational infrastructure have been also presented.
Źródło:
Annual of Navigation; 2003, 6; 49-64
1640-8632
Pojawia się w:
Annual of Navigation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Maritime safety, security and defense of today and tomorrow
Autorzy:
Dyrcz, Cz.
Morgaś, W.
Urbański, J.
Powiązania:
https://bibliotekanauki.pl/articles/320677.pdf
Data publikacji:
2009
Wydawca:
Polskie Forum Nawigacyjne
Tematy:
bezpieczeństwo morskie
bezpieczeństwo
obrona
maritime safety
security
defence
Opis:
In this paper, an attempt has been made to present and discuss the factors defining the today's state of maritime safety, security and defense; the most probable changes in the nearest future; as well as the most probable factors that might influence the maritime safety, security and defense in the further future. The above considerations have the general character and regard both the European Union's maritime countries and the United States.
Źródło:
Annual of Navigation; 2009, 15; 13-23
1640-8632
Pojawia się w:
Annual of Navigation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The part of navigation in support of human activities at sea
Autorzy:
Kopacz, Z.
Morgaś, W.
Urbański, J.
Powiązania:
https://bibliotekanauki.pl/articles/320775.pdf
Data publikacji:
2005
Wydawca:
Polskie Forum Nawigacyjne
Tematy:
nawigacyjne wsparcie aktywności człowieka
navigational suport of human activities
Opis:
The title of this paper is identical with the title of the International Scientific and Technical Conferences organized every other year by the Institute of Navigation and Hydrography of Naval University of Gdynia. Therefore, in this paper an attempt has been made to answer the question with whom the maritime navigation cooperates in process of support of human activities at sea, and what matter constitutes the substance of this part of support which is being rendered by the maritime navigation. The development trends of navigational support of human activities at sea are also discussed and presented.
Źródło:
Annual of Navigation; 2005, 10; 39-60
1640-8632
Pojawia się w:
Annual of Navigation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The state of navigation development in Poland at the turn of the 20th century
Autorzy:
Kopacz, Z.
Morgaś, W.
Urbański, J.
Powiązania:
https://bibliotekanauki.pl/articles/320797.pdf
Data publikacji:
1999
Wydawca:
Polskie Forum Nawigacyjne
Tematy:
nawigacja
navigation
Opis:
In this paper there are presented the basic and common problems of all kinds of modern navigation, in Poland, on the turn of the 20-th century. The attempt is made to present the basic trends of navigation's development which will still be valid in the first decades of the 21-st century. a special regard has been taken to the Polish Navigational Forum, i.e. to the Polish educational and research institutions and circles professionally engaged in the different kinds and aspects of today's navigation.
Źródło:
Annual of Navigation; 1999, 1; 7-19
1640-8632
Pojawia się w:
Annual of Navigation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The maritime navigation, its environment and its safety system
Autorzy:
Kopacz, Z.
Morgaś, W.
Urbański, J.
Powiązania:
https://bibliotekanauki.pl/articles/320474.pdf
Data publikacji:
2002
Wydawca:
Polskie Forum Nawigacyjne
Tematy:
nawigacja
bezpieczeństwo nawigacyjne
żegluga
navigation
safety navigation
Opis:
In this paper, the considerations on the relations between the maritime navigation, its geographical and navigational environment and its safety system are presented. The most important issues of the ships' navivation, its environment and maritime navigation safety system are also discussed and the most important relations are shown.
Źródło:
Annual of Navigation; 2002, 4; 45-57
1640-8632
Pojawia się w:
Annual of Navigation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Maritime-navigation environments information and its providing by the operational institutions of the maritime safety system
Autorzy:
Kopacz, Z.
Morgaś, W.
Urbański, J.
Powiązania:
https://bibliotekanauki.pl/articles/320502.pdf
Data publikacji:
2004
Wydawca:
Polskie Forum Nawigacyjne
Tematy:
nawigacja
bezpieczeństwo morskie
navigation
maritime safety
Opis:
In this paper, the maritime-navigation-environment's information, as the constituting part, of the maritime navigational information has been presented. There are also presented the forms and ways of provision of the users of sea with this kind of information as well as main information's providers and information's services rendered by them. This paper takes into consideration all being-in-force basic resolutions of the International Maritime Organization (IMO) regarding the organization and operation of maritime-navigation-information's services providing the users of sea with the navigation-environment's information. The issues discussed in this paper may and should be considered as the continuation of the earlier authors' works regarding the navigational information, its gathering, processing and use.
Źródło:
Annual of Navigation; 2004, 8; 21-44
1640-8632
Pojawia się w:
Annual of Navigation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
National Maritime Safety and Security Network - General Outline
Autorzy:
Urbański, J.
Morgaś, W.
Felski, A.
Powiązania:
https://bibliotekanauki.pl/articles/320683.pdf
Data publikacji:
2008
Wydawca:
Polskie Forum Nawigacyjne
Tematy:
bezpieczeństwo morskie
zarządzanie bezpieczeństwem
maritime safety
security management
Opis:
In this paper, an attempt has been made to present the first, i.e. the lowest level of maritime safety and security management. The importance of the National Network for ensuring the maritime safety and security has been increased immensely as the result of the outbreak and waging the global war on world terrorism. The national level of marine safety and security management is for some years (since 2002) the subject of many thorough and radical changes. However, there exist many reasons to conclude that process of transformation of national level of maritime safety and security will be continued, even in the much more firmed manner.
Źródło:
Annual of Navigation; 2008, 13; 117-130
1640-8632
Pojawia się w:
Annual of Navigation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Maritime navigation. Its safety and security management
Autorzy:
Urbański, J.
Morgaś, W.
Felski, A.
Powiązania:
https://bibliotekanauki.pl/articles/320905.pdf
Data publikacji:
2007
Wydawca:
Polskie Forum Nawigacyjne
Tematy:
nawigacja morska
zarządzanie bezpieczeństwem morskim
system bezpieczeństwa morskiego
maritime navigation
management of the maritime safety and security
maritime safety and security systems
Opis:
In this paper, an attempt has been made to present and discuss the subjects and contents of the considerably new areas of maritime navigation's interest, i.e. 'the maritime safety and security management of the maritime navigation'. There are also discussed the maritime safety and security systems. The tasks and structures of these systems have been also presented.
Źródło:
Annual of Navigation; 2007, 12; 95-106
1640-8632
Pojawia się w:
Annual of Navigation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An attempt of the specification of the ships navigation process
Autorzy:
Kopacz, Z.
Morgaś, W.
Urbański, J.
Powiązania:
https://bibliotekanauki.pl/articles/320944.pdf
Data publikacji:
2001
Wydawca:
Polskie Forum Nawigacyjne
Tematy:
nawigacja
statki
navigation
ships
Opis:
An attempt of the specification of main issues, such as the objectives, tasks, activities, etc. which are being solved and are being done while the ship is conducted at sea is undertaken in the paper. These issues constitute the substance of the ship’s navigation process and all its sub process. The authors’ belief is that the specification of these issues would enable the better understanding the matter of ship’s navigation process. It could also facilitate the preparation of more precise algorithms of all navigation sub processes, i.e. even those which hardly could be expressed by the means of mathematical relations.
Źródło:
Annual of Navigation; 2001, 3; 91-109
1640-8632
Pojawia się w:
Annual of Navigation
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-10 z 10

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