首页|Identification of unstable reference points and estimation of displacements using squared M-split estimation
Identification of unstable reference points and estimation of displacements using squared M-split estimation
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NSTL
Elsevier
The article presents a new version of the method for estimating parameters in a split functional model, which enables the determination of displacements of geodetic network points with constrained datum. The main aim of the study is to present theoretical foundations of M-split(CD) estimation and its basic properties and possible applications. Particular attention was paid to the efficacy of the method in the context of geodetic network deformation analysis and to the robustness properties of the proposed method. The theoretical considerations were verified by means of two computational tests conducted using the Monte Carlo simulation. The obtained results of methods of estimation parameters in a split functional model were compared with the results of classical method of the least squares estimation. The numerical examples provided in the study indicate the basis properties of M-split(q)(CD) estimators being determined.
M-split estimationDeformation analysisOutliersRobustnessMonte Carlo simulationsConstrained datumROBUST ESTIMATIONFUNCTIONAL-MODELDEFORMATIONRELIABILITYPARAMETERS
NSTL
Elsevier
