Fixing the observable ship position with the usage of Danish damping function

• Autorzy: Czaplewski K. , Wiśniewski Z.
• Konferencja: Geodetic and Geodynamic Programmes of the CEI (Central European Initiative) (6-11.04.2003; Nice, France)
• Języki publikacji: EN

Abstrakty

EN

Fixing the sea object position is the essential task of maritime navigation. It is one of the elements of safe ship leading from one harbour to the other. The methods and the ways of fixing the sea ship position have been developed together with the technical development . New ways of fixing allow for quick and very precise fixing the sea object position. However, it may happen that some of the measurements contain some fatal errors. Such results are called trajectory observations. So far in the navigation practice the observed positions are left out in the process of navigation, according to the IMP ( International Maritime Organizations ) requirements. Nevertheless there are methods of equalling which allow for partial or full elimination of the influence of the trajectory observations on the final co-ordinates of the position of an observed sea object. Such methods are known in geodesy and are called resistant methods. The following article presents the possibility of using one of the methods of resistant equalling to fixing a single sea object position. Experimental damping function, known as Danish function is presented in the suggested method. The adjustment of the Danish method for the maritime navigation needs will be tested on a hypothetical navigational situation.

Słowa kluczowe

EN

observatory; maritime navigation; satellite geodesy

PL

obserwatorium; nawigacja morska; geodezja satelitarna

• Wydawca: Wydział Geodezji i Kartografii Politechniki Warszawskiej
• Czasopismo: Reports on Geodesy
• Rocznik: 2003
• Tom: z. 1/64
• Strony: 287--294
• Opis fizyczny: Bibliogr. 7 poz., schem., tab.

Twórcy

autor

Czaplewski K.

• Institute of Navigation and Hydrography, Naval University of Gdynia

autor

Wiśniewski Z.

• Institute of Geodesy, University of Warmia and Mazury, Olsztyn

Bibliografia

• 1. BORRE K., J, JORGENSEN P. C., KUBIK K. 1983. Robust Adjustment of the Danish Fundamental Triangulation Network. Scientific Bulletins of the Stanislaw Staszic University of Mining and Metallurgy no. 79, pages: 57 - 69, Cracov
• 2. CASPARY W., HAEN W. 1990. Simultaneous Estimation of Location and Scale Parameters in the Context of Robust M-estimation. Manuscripta Geodaetica no. 15, pages 273 - 282, Italy
• 3. JIANJUN Z. 1996. Robustness and the Robust Estimate. Journal of Geodesy no. 70, pages 586 - 590, Heidelberg
• 4. KADAJ R. 1988. Eine Verallgemeinerte Klasse von Schätzverfahre mit praktischen Anwendungen. Zietschrift für Vermessungswesen no. 113, pages: 157 - 166, Hannover
• 5. WIŚNIEWSKI Z. 2002. Koncepcje Opracowania Wyników Pomiarów Nawigacyjnych (in Polish). Naval University of Gdynia, Poland
• 6. YANG Y., CHENG M.K., CHUM C.K., TAPLEY B.D. 1999. Robust Estimation of Systematic Errors of Satellite Laser Range. Journal of Geodesy no. 73, pages 345 - 349, Heidelberg
• 7. ZHONG D. 1997. Robust Estimation and Optimal Selection of Polynomial Parameters for the Interpolation of GPS Geoid Heights. Journal of Geodesy no. 71, pages 552 - 561, Heidelberg