This report is devoted to the problem of cycle counting losses determining in single- and dual-frequency carrier phase GPS/GNSS-observations, their repair (correction) and data editing in the mode of automated post-processing. At the stage of pre-processing and quality control (QC) of GPS/GNSS observations for precision positioning a key problem is the restoration of carrier-phase observations continuity, i.e. detection, estimation/identification and elimination (correction) of cyclic (or half-cycle) phase jumps - 'slips'. A new universal experimental verified approach and algorithms for detection estimation and correction of carrier-phase cycle slips of single and dual-frequency GPS-observations performed both in static and in kinematics/stop and go modes at the pre-processing stage are proposed. The matter of the question is the processing of both undifferenced observations (data rate 1+1/5 Hz) of separate stations (or rover receivers) and observations and their linear combinations (LC) of permanent reference station networks with the rarefied (data rate 1/30 to 1/10 Hz) data. The proposed approach and algorithms of processing are realized in the software pre-processing and analysis toolkit 'OCTAVA_PPA'.


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    Title :

    Carrier-phase cycle-slip detection and repair of single/dual-frequency GPS/GNSS observations - new universal technique and algorithms


    Additional title:

    Trägerkreisfrequenz-Schlupferkennung und Reparatur von Einzel-/Dualfrequenzen der GPS/GNSS-Beobachtungen - eine neue universelle Technik und Algorithmus


    Contributors:


    Publication date :

    2007


    Size :

    8 Seiten, 3 Bilder, 9 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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