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Encyclopedia of Geodesy pp 1–8Cite as

Positioning Quality Control

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Part of the book series: Encyclopedia of Earth Sciences Series ((EESS))

Definition

Quality control. The process of evaluating the precision and reliability of the estimated quantities such as position based on the quality control indicators.

Positioning. The process of estimating the coordinates of an unknown point with respect to a specified datum using different techniques.

Introduction

Redundant measurements generally lead to an inconsistent system of equations caused by the data errors. There are different estimation methods among which the least squares (LS) adjustment provides a relatively simple solution to the problem of solving an inconsistent system of equations. Misspecifications in the mathematical model, such as outliers and sensor failures, will invalidate the LS estimates. It is thus of importance to verify the validity of the assumed mathematical model based on the hypothesis testing (Baarda 1968; Pope 1976; Kok 1984, 1999).

A brief review on the theory of LS estimation and hypothesis testing in linear models in both batch and recursive...

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References and Reading

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Author information

Authors and Affiliations

  1. Department of Geomatics Engineering, Faculty of Civil Engineering and Transportation, University of Isfahan, Hezar-Jarib Avenue, 81746-73441, Isfahan, Iran

    A.R. Amiri-Simkooei & F. Zangeneh-Nejad

Authors
  1. A.R. Amiri-Simkooei
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  2. F. Zangeneh-Nejad
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Corresponding author

Correspondence to A.R. Amiri-Simkooei .

Editor information

Editors and Affiliations

  1. Geodetic Institute, University of Stuttgart, Stuttgart, Germany

    Erik Grafarend

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Amiri-Simkooei, A., Zangeneh-Nejad, F. (2017). Positioning Quality Control. In: Grafarend, E. (eds) Encyclopedia of Geodesy. Encyclopedia of Earth Sciences Series. Springer, Cham. https://doi.org/10.1007/978-3-319-02370-0_143-1

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  • DOI: https://doi.org/10.1007/978-3-319-02370-0_143-1

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-02370-0

  • Online ISBN: 978-3-319-02370-0

  • eBook Packages: Springer Reference Earth and Environm. ScienceReference Module Physical and Materials ScienceReference Module Earth and Environmental Sciences

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