An attempt to define the scope of reliable functionality of Ethrog`s diagnostics in geodetic networks

• Autorzy: Kwaśniak M. , Kościk P.
• Konferencja: Current Problems of Engineering Surveying (7th; Conference; 31.03-1.04.2005; Warsaw, Poland)
• Języki publikacji: EN

Abstrakty

EN

The paper presents Ethrog`s method of finding errors in observation systems. The method is based on the results of preliminary adjustment made by the least squares method. In the geodetic milieu it`s not very popular but after comparing various methods it can be consudered one of the most effective. Its additional advantage is it`s intuitive approach to the problem and simple calculation formulas. In the course of a detailed analysis of the method`s effectiveness it was found that in networks with diverse values of inner reliability indices, even undisturbed observations can be suspected of gross errors. The paper presents the results of additional research on Ethorg`s method, its aim being to define the scope of its reliable functioning. The paper also contains numerical examples illustrating how the method functions and how effective it`s.

Słowa kluczowe

EN

finding errors; geodesy; scientific research

PL

szukanie błędów; badania naukowe; geodezja

• Wydawca: Wydział Geodezji i Kartografii Politechniki Warszawskiej
• Czasopismo: Reports on Geodesy
• Rocznik: 2005
• Tom: z. 3/74
• Strony: 91--102
• Opis fizyczny: Bibliogr. 3 poz., tab., rys.., wykr.

Twórcy

autor

Kwaśniak M.

• Warsaw University of Technology

autor

Kościk P.

• Warsaw University of Technology

Bibliografia

• Baarda W. 1968: A testing procedure for use in geodetic networks. Publication on Geodesy, New series, Netherlands Geodetic Commission, Vol. 2, No. 5, Delft.
• Ethrog U. 1990: Statistical test of significance for testing outlying observation. Department of Civil Engineering, Technion I.I.T., Israel.
• Prószyński W., Kwaśniak M. 2002: Niezawodność sieci geodezyjnych (Reliability of geodetic networks). Warsaw University of Technology Publishing House, Warsaw.