<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The ADOP (Ambiguity Dilution Of Precision) is a measure for the precision of the carrier phase ambiguities involved in precise relative GNSS positioning. By computing the ADOP one may get knowledge in whether ambiguity resolution can be expected successful or not, already in a stage before the GNSS data are collected. In Odijk and Teunissen (2008) compact closed-form expressions have been derived for the ADOP of single-baseline GNSS models. In this paper these expressions are used to study the impact of certain changes in these models, as there are the observation time span, the weighting of the ionospheric delays, the number of frequencies, the weights of the phase and code data, the number of satellites, elevation-dependent observation weights and taking linear combinations of data.</p></abstract>

The ADOP (Ambiguity Dilution Of Precision) is a measure for the precision of the carrier phase ambiguities involved in precise relative GNSS positioning. By computing the ADOP one may get knowledge in whether ambiguity resolution can be expected successful or not, already in a stage before the GNSS data are collected. In Odijk and Teunissen (2008) compact closed-form expressions have been derived for the ADOP of single-baseline GNSS models. In this paper these expressions are used to study the impact of certain changes in these models, as there are the observation time span, the weighting of the ionospheric delays, the number of frequencies, the weights of the phase and code data, the number of satellites, elevation-dependent observation weights and taking linear combinations of data.

Sensitivity of Adop to Changes in the Single-Baseline GNSS Model

Delft Institute of Earth Observation and Space Systems (DEOS), Delft University of Technology, Kluyverweg 1, 2629 HS Delft, The Netherlands

Artificial Satellites

{"article-title":"Sensitivity of Adop to Changes in the Single-Baseline GNSS Model"}

The ADOP (Ambiguity Dilution Of Precision) is a measure for the precision of the carrier phase ambiguities involved in precise relative GNSS positioning. By...

Sensitivity of Adop to Changes in the Single-Baseline GNSS Model

Publié en ligne: 29 févr. 2008

Pages: 71 - 96

DOI: https://doi.org/10.2478/v10018-008-0001-4

Mots clés
GNSS models, ambiguity resolution, ADOP

This content is open access.

Sensitivity of Adop to Changes in the Single-Baseline GNSS Model

Publié en ligne: 29 févr. 2008

Pages: 71 - 96

DOI: https://doi.org/10.2478/v10018-008-0001-4

Mots clésGNSS models, ambiguity resolution, ADOP

This content is open access.

Mots clés
GNSS models, ambiguity resolution, ADOP