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2017 | OriginalPaper | Buchkapitel

20. Combinations of Observations

verfasst von : André Hauschild

Erschienen in: Springer Handbook of Global Navigation Satellite Systems

Verlag: Springer International Publishing

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Zusammenfassung

This chapter introduces the concept of observation combinations, commonly used, for example, to compute positioning solutions with measurements from multiple frequencies or to study measurement noise, multipath, or ionospheric effects. Based on a generic parametrization for pseudorange and carrier-phase observations, a general expression for linear combinations is introduced. The impact of the coefficients on the properties and the noise of the combined observable is explained. The chapter covers combinations using measurements from a single satellite observed by one receiver. The discussion will then be extended to differential observations from two satellites, receivers and epochs.

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Metadaten
Titel
Combinations of Observations
verfasst von
André Hauschild
Copyright-Jahr
2017
Verlag
Springer International Publishing
DOI
https://doi.org/10.1007/978-3-319-42928-1_20