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Wyświetlanie 1-3 z 3
Tytuł:
Shipborne satellite navigation systems receivers, exploitation remarks
Autorzy:
Januszewski, J.
Powiązania:
https://bibliotekanauki.pl/articles/359849.pdf
Data publikacji:
2014
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
GPS system
GPS receiver
shipborne GPS receiver
type of GPS receivers
Opis:
Currently (July 2014) an uninterrupted information about the ship’s position can be obtained from specialized electronic position-fixing systems, in particular, Satellite Navigation Systems (SNSs) as GSP and GLONASS and Satellite Based Augmentation Systems (SBASs) as EGNOS or WAAS. On each ship’s bridge one GPS stationary receiver is installed at least but on many ships there are two or even more GPS receivers. Nowadays, several hundred different end-user products and broad/chipset/modules are available on the world market, however for ship’s bridge several dozen models provided by a dozen or so manufacturers are designed only. In this paper 309 GPS receivers, 47 different models of 12 manufacturers installed on 188 ships of different types and with different lengths were taken into account. The relations between the type and the length of the ship, the number of the GPS receivers installed on one ship, the manufacturers and the models the most frequently used are presented.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2014, 40 (112); 67-72
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nominal and Real Accuracy of the GPS Position Indicated by Different Maritime Receivers in Different Modes
Autorzy:
Januszewski, J.
Powiązania:
https://bibliotekanauki.pl/articles/117133.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
Global Navigation Satellite System (GNSS)
Global Positioning System GPS
Navigational System
Navigational System Receiver
Accuracy of Position
GPS Receiver
GPS Position Accuracy
Dilution of Precision (DOP)
Opis:
Nowadays on the ship’s bridge two or even more GPS receivers are installed. As in the major cases the coordinates of the position obtained from these receivers differ the following questions can be posed – what is the cause of this divergence, which receiver in the first must be taken into account etc. Based on information published in annual GPS and GNSS receiver survey it was estimated the percentage of GPS receivers designed for marine and/or navigation users. The measurements of GPS position based on the four different stationary GPS receivers were realized in the laboratory of Gdynia Maritime University in Poland in the summer 2012. The coordinates of the position of all these receivers were registered at the same time. The measurements in mode 3D were made for different input data, the same for all receivers. The distances between the individual unit’s antenna were considered also. Next measurements in mode 3D also were realized on two ships in different European ports. Additional measurements were made in mode 2D with three receivers for different their’s antenna heights. The results showed that the GPS position accuracy depends on the type of the receiver and its technical parameters particularly.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2014, 8, 1; 11-19
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Applications of global navigation satellite systems in maritime navigation
Autorzy:
Januszewski, J.
Powiązania:
https://bibliotekanauki.pl/articles/135402.pdf
Data publikacji:
2016
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
GNSS
GPS system
GNSS receiver
shipborne GPS and GNSS receiver
type of GPS and GNSS receivers
maritime navigation
Opis:
Currently (April 2016) uninterrupted information about a ship’s position can be obtained from specialized electronic position-fixing systems, in particular, Satellite Navigation Systems (SNSs) such as GPS and GLONASS and Satellite Based Augmentation Systems (SBASs) such as EGNOS or WAAS. The generic name given to all the above mentioned systems is Global Navigation Satellite Systems (GNSS). Many models, designed for the ship’s bridge and provided by about a dozen manufacturers, are available on the world market. In Europe, one of the most comprehensive sources of knowledge on the global GNSS market is a report published, on average, every 15 months by the European GNSS Agency GSA. Another receiver survey is published each year in the January number of the magazine “GPS World”. The detailed analysis of market report and receiver survey, possible use of EGNOS and Galileo in the maritime market, and different maritime applications of GNSS equipment are described in this paper.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2016, 47 (119); 74-79
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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