Lookup NU author(s): Matthew Goode,
Dr Stuart Edwards,
Professor Philip Moore
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Precise point positioning (PPP) is a GNSS processing technique that utilizes undifferenced observations to calculate a position to centimeter accuracy. Much work has been carried out investigating the impact of time correlation on double difference observations in relative processing techniques, whereas its effect in PPP is not well known. This papa investigates the level of time correlation that is exhibited in the post-fit residuals from PPP processing and shows that this can be modelled as an autoregressive process. This can potentially impact quality control and fault detection as well as making formal errors appear optimistic.
Author(s): Goode MED, Edwards SJ, Moore P, De Jong K
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: 26th International Technical Meeting of the Satellite Division of the Institute of Navigation, ION GNSS 2013
Year of Conference: 2013
Publisher: Institute of Navigation