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    Investigating the Propagation Mechanism of Unmodelled Systematic Errors on Coordinate Time Series Estimated Using Least Squares

    Access Status
    Fulltext not available
    Authors
    Stewart, Michael
    Penna, N.
    Lichti, Derek
    Date
    2005
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Stewart, M. P. and Penna, N. T. and Lichti, D. D. 2005. Investigating the Propagation Mechanism of Unmodelled Systematic Errors on Coordinate Time Series Estimated Using Least Squares. Journal of Geodesy 79: pp. 479-489.
    Source Title
    Journal of Geodesy
    DOI
    10.1007/s00190-005-0478-6
    ISSN
    09497714
    Faculty
    Department of Spatial Sciences
    Faculty of Science and Engineering
    WA School of Mines
    Remarks

    The original publication is available at : www.springerlink.com

    URI
    http://hdl.handle.net/20.500.11937/14915
    Collection
    • Curtin Research Publications
    Abstract

    The propagation of unmodelled systematic errors into coordinate time series computed using least squares is addressed, to improve the understanding of unexplained signals and apparent noise in geodetic (especially GPS) coordinate time series. Such coordinate time series are invariably based on a functional model linearised using only zero and first order terms of a (Taylor) series expansion about the approximate coordinates of the unknown point. The effect of such truncation errors is investigated through the derivation of a generalised systematic error model for the simple case of range observations from a single known reference point to a point which is assumed to be at rest by the least squares model but is in fact in motion.

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