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The test verification of 3D geodetic points and their changesKeywords: 3D point fields of GPS measurements , determination of 3D points displacement , confidence ellipsoids , congruency and penetration testing the displacement vectors Abstract: Approaches of congruency checks of 3D point field realisations applying repeated measurements. Investigation of 3D point displacement in various space direction using test procedures. Determination possibilities of 3D point movements and their significance by the confidence ellipsoids and their applications in practice.
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