AN EVALUATION OF SOME ROBUST ESTIMATION TECHNIQUES IN THE ESTIMATION OF GEODETIC PARAMETERS — PART II

Authors: Awange, J L; Aduol, F W O

Source: Survey Review, Volume 36, Number 283, January 2002 , pp. 380-389(10)

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Abstract:

In Part 1 of this study, we reported on an evaluation of the performances of four robust estimation techniques, namely: the modified residuals technique, the modified weights technique, the modified residuals-weights technique, and the iterative weighting technique. The methods were then tested on a simulated geodetic network. In this second part of the study, we carry out a further evaluation of the methods with a real geodetic network as the test network. In order that a set of gross-error contaminated observational may be available for the study, gross errors have been simulated into observational set. The results of the study largely corroborate the findings in Part 1 of the study.

Document Type: Research Article

DOI: http://dx.doi.org/10.1179/003962602791483299

Publication date: 2002-01-01

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