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Particularities of determining the vessel position, course and speed and the ionospheric error by using dual-band GLONASS receivers (CROSBI ID 673716)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Kos, Serđo ; Bakota, Mario ; Brčić, David Particularities of determining the vessel position, course and speed and the ionospheric error by using dual-band GLONASS receivers // Annual Baška GNSS Conference: Proceedings / Lenac, Kristijan ; Brčić, David ; Kos, Serđo et al. (ur.). Rijeka: Pomorski fakultet Sveučilišta u Rijeci, 2019. str. 97-108

Podaci o odgovornosti

Kos, Serđo ; Bakota, Mario ; Brčić, David

engleski

Particularities of determining the vessel position, course and speed and the ionospheric error by using dual-band GLONASS receivers

The paper presents the application of the pseudo- spatial model of the GLONASS system in determining the navigation parameters of the vessel’s movement together with the applied ionospheric model accuracy. The atmosphere affects the signal reception causing signal delay, which leads to the error of determining the navigation parameters of the ship, with ionosphere causing the greatest impact on error values. By forming and solving the system in which the number of equations corresponds to the number of visible satellites, with the input data of pseudo-range, the constant error of distance measurement and the known satellite coordinates, the current position of the vessel is obtained. Differentiating this system of equations results in a system that gives the velocity of the vessel concerning the three spatial coordinates. By reducing velocity change with respect to the two spatial coordinates, the final speed of the vessel is obtained. Utilizing a known velocity of the vessel with respect to the x and y coordinates, the direction of navigation is also possible to be determined. Various satellite systems with different mathematical algorithms predict the state of the ionosphere and the value of the incurred error. Dual-band receivers of the GLONASS system perform simultaneously receiving, processing and comparison of signals at two frequencies to which the ionosphere has a different level of interaction.

ionospheric error, GLONASS, dual-band receiver, pseudo-Doppler frequency

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Podaci o prilogu

97-108.

2019.

objavljeno

Podaci o matičnoj publikaciji

Annual Baška GNSS Conference: Proceedings

Lenac, Kristijan ; Brčić, David ; Kos, Serđo ; Valčić, Marko ; Jugović, Alen ; Horvat, Marko

Rijeka: Pomorski fakultet Sveučilišta u Rijeci

978-953-165-109-7

1849-7306

2670-8981

Podaci o skupu

Nepoznat skup

predavanje

29.02.1904-29.02.2096

Povezanost rada

Informacijske i komunikacijske znanosti, Interdisciplinarne tehničke znanosti, Tehnologija prometa i transport

Poveznice