Advertisement

GPS Permanent Network Solution: the Impact of Temporal Correlations

  • R. Barzaghi
  • A. Borghi
  • M. Crespi
  • G. Pietrantonio
  • F. Riguzzi
Part of the International Association of Geodesy Symposia book series (IAG SYMPOSIA, volume 127)

Abstract

In this work we analysed the time series of daily solutions of 4 Italian GPS permanent stations with the aim of investigating the presence of temporal correlations and their impact on the estimation of weekly solution and velocity field precisions.

We found that precisions are remarkably lower when temporal correlations are considered; in particular, the mean horizontal precisions of weekly solutions are up to 5 times lower and the horizontal velocity precisions are about 1.5–2 times lower.

This topic has 2 relevant applications: the assessment of the quality of a reference system maintenance by GPS permanent stations and the coordinate differences significance test for geodynamical applications.

Keywords

GPS permanent network temporal correlations autocovariance functions 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. Barzaghi, R. and Sansò, F. (1983). Sulla Stima Empirica della Funzione di Covarianza. Bollettino di Geodesia e Scienze Affini, n.4.Google Scholar
  2. Barzaghi, R., Borghi, A., Sona, G. (1998). New Covariance Models for Local Applications of Collocation. IAG Symposium no.122, I V Hotine-Marussi Symposium on Mathematical Geodesy, Trento, Italy, B. Benciolini editionGoogle Scholar
  3. Beutler, G., Brockmann, E., Dach, R., Fridez, P., Gurtner, W., Hugentobler, U., Johnson, J., Mervant, L., Rothacher, M., Schaer, S., Springer, T., Weber, R. (2000). Bernese Software 4.2. Astronomical Institute, University of Berne.Google Scholar
  4. Crippa, B. (1990). Un Sistema di Programmi. Ricerche di Geodesia, Topografia e Fotogrammetria, vol. 6, CLUP, Milano.Google Scholar
  5. Mussio, L. (1984). Il Metodo della Collocazione Minimi Quadrati e le sue Applicazioni per l’Analisi Statistica dei Risultati delle Compensazioni. Ricerche di Geodesia, Topografia e Fotogrammetria, vol. 4, CLUP, Milano.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • R. Barzaghi
    • 1
  • A. Borghi
    • 1
  • M. Crespi
    • 2
  • G. Pietrantonio
    • 3
  • F. Riguzzi
    • 3
  1. 1.DIIAR — Sezione RilevamentoPolitecnico di MilanoMilanoItaly
  2. 2.DITS — Area TopografiaUniversità di Roma “La Sapienza”RomaItaly
  3. 3.Istituto Nazionale di Geofisica e VulcanologiaRomaItaly

Personalised recommendations