Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Stefan Schaer"'
Autor:
Dmitry Sidorov, Stefan Schaer, Arturo Villiger, Rolf Dach, Lars Prange, Urs Hugentobler, Pascal Stebler, Adrian Jäggi, Daniel Arnold, Inga Selmke
Publikováno v:
Dach, Rolf; Selmke, Inga; Villiger, Arturo; Arnold, Daniel; Prange, Lars; Schaer, Stefan; Sidorov, Dmitry; Stebler, Pascal; Jäggi, Adrian; Hugentobler, Urs (2021). Review of recent GNSS modelling improvements based on CODEs Repro3 contribution. Advances in space research, 68(3), pp. 1263-1280. Elsevier 10.1016/j.asr.2021.04.046
The Center for Orbit Determination in Europe (CODE) is contributing to the most recent reprocessing effort of the International GNSS Service (IGS) with a triple-system solution including GPS (since 1994), GLONASS (since 2002) and Galileo (since 2013)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c25a1bd62325ff86619612a5e189e17
https://doi.org/10.1016/j.asr.2021.04.046
https://doi.org/10.1016/j.asr.2021.04.046
Autor:
Arturo Villiger, Rolf Dach, Lars Prange, Daniel Arnold, Maciek Kalarus, Stefan Schaer, Pascal Stebler, Adrian Jäggi
Publikováno v:
Villiger, Arturo; Dach, Rolf; Prange, Lars; Arnold, Daniel; Kalarus, Maciej; Schaer, Stefan; Stebler, Pascal; Jäggi, Adrian (May 2022). Compatibility between the preliminary ITRF2020 solution and GNSS antenna phase center offsets (Unpublished). In: EGU General Assembly 2022. Vienna/Online. May 23-27, 2022.
The release of the next International Terrestrial Reference Frame (ITRF) 2020 is based on the four geodetic techniques, namely Satellite Laser Ranging (SLR), Very Long Baseline Interferometry (VLBI), Global Navigation Satellite Systems (GNSS), and Do
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ba41fe1d02d46f6c5620d74451ba06f
Publikováno v:
Calero, E. J.; Villiger, A.; Schaer, S.; Dach, R.; Jäggi, A. (May 2022). Combined orbit and clock zero-difference solution at CODE: ambiguity resolution strategy (Unpublished). In: EGU General Assembly 2022. Vienna, Austria. 23.-27. May, 2022.
The use of zero-difference processing schemes becomes more and more popular within the GNSS (Global Navigation Satellite Systems) community. This change from double- to zero-difference approaches increases the demand of PPP-AR (Ambiguity Resolution f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f804a519773535f2aa1bcbd03d73c8b
Publikováno v:
Journal of Geodesy
Schaer, S.; Villiger, A.; Arnold, D.; Dach, R.; Prange, L.; Jäggi, A. (2021). The CODE ambiguity-fixed clock and phase bias analysis products: generation, properties, and performance. Journal of geodesy, 95(7) Springer-Verlag 10.1007/s00190-021-01521-9
Schaer, S.; Villiger, A.; Arnold, D.; Dach, R.; Prange, L.; Jäggi, A. (2021). The CODE ambiguity-fixed clock and phase bias analysis products: generation, properties, and performance. Journal of geodesy, 95(7) Springer-Verlag 10.1007/s00190-021-01521-9
The generation and use of GNSS analysis products that allow—particularly for the needs of single-receiver applications—precise point positioning with ambiguity resolution (PPP-AR) are becoming more and more popular. A general uncertainty concerns
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::afdd7e14c05aa4370d99197a93c8c231
https://doi.org/10.1007/s00190-021-01521-9
https://doi.org/10.1007/s00190-021-01521-9
Autor:
Zishen Li, André Hauschild, Alberto García-Rigo, Manuel Hernández-Pajares, Ningbo Wang, J. Feltens, David Roma-Dollase, Heng Yang, Denis Laurichesse, Qi Liu, Andrzej Krankowski, Enric Monte-Moreno, Martin Schmitz, Reza Ghoddousi-Fard, Qile Zhao, Gerhard Wübbena, Attila Komjathy, Stefan Schaer, Alexis Blot, Andrea Stürze, Loukis Agrotis, Qiang Zhang
The Real-Time Working Group (RTWG) of the International GNSS Service (IGS) is dedicated to providing high-quality data, high-accuracy products for Global Navigation Satellite System (GNSS) positioning, navigation, timing, and Earth observations. As o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96add91277e6fd4253ed4b66b530e4c6
https://doi.org/10.5194/essd-2021-136
https://doi.org/10.5194/essd-2021-136
Autor:
Panagiotis Vergados, Attila Komjathy, Jose M. Gómez-Cama, Manuel Hernández-Pajares, David Roma-Dollase, Yunbin Yuan, Hongping Zhang, Cheng Wang, Reza Ghoddousi-Fard, J. Feltens, Andrzej Krankowski, Kacper Kotulak, Alberto García-Rigo, Stefan Schaer, Chuang Shi, Zishen Li
Publikováno v:
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
Dipòsit Digital de la UB
Universidad de Barcelona
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
instname
Dipòsit Digital de la UB
Universidad de Barcelona
The final publication is available at Springer via http://dx.doi.org/10.1007/s00190-017-1088-9. In the context of the International GNSS Service (IGS), several IGS Ionosphere Associated Analysis Centers have developed different techniques to provide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de36d0474c66852356a0a4c13ddf34fe
https://doi.org/10.1007/s00190-017-1088-9
https://doi.org/10.1007/s00190-017-1088-9
Autor:
Stefan Schaer, Tim Springer, Sylvain Loyer, Sebastian Strasser, Simon Banville, Jianghui Geng
Publikováno v:
Journal of Geodesy. 94
Techniques enabling precise point positioning with ambiguity resolution (PPP-AR) were developed over a decade ago. Several analysis centers of the International GNSS Service (IGS) have implemented such strategies into their software packages and are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9dca29151c4f2d24dc58b14cef8bfece
https://doi.org/10.1007/s00190-019-01335-w
https://doi.org/10.1007/s00190-019-01335-w
Autor:
Gerhard Beutler, Lars Prange, Adrian Jäggi, Dmitry Sidorov, Arturo Villiger, Rolf Dach, Stefan Schaer
Publikováno v:
Prange, L.; Villiger, A.; Schaer, S.; Dach, R.; Sidorov, D.; Beutler, G.; Jäggi, A. (4 May 2020). CODE IGS reference products including Galileo (Unpublished). In: EGU General Assembly 2020, Sharing Geosciences Online. Vienna, Austria. 04-08 May 2020.
The International GNSS service (IGS) has been providing precise reference products for the Global Navigation Satellite Systems (GNSS) GPS and (starting later) GLONASS since more than 25 years. These orbit, clock correction, coordinate reference frame
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6886163018d65336a1443754dd3001d0
Publikováno v:
Villiger, Arturo; Schaer, Stefan; Dach, Rolf; Prange, Lars; Susnik, Andreja; Jäggi, Adrian (2019). Determination of GNSS pseudo-absolute code biases and their long-term combination. Journal of geodesy, 93(9), pp. 1487-1500. Springer-Verlag 10.1007/s00190-019-01262-w
With the modernization of GPS and the establishment of additional global navigation satellite system (GNSS) constellations, such as Galileo, Beidou, and QZSS, more and more GNSS satellites are available transmitting on various frequencies with multip
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70c3209733b4d41d891065bf00e9b364
https://boris.unibe.ch/130644/1/10.1007_s00190-019-01262-w.pdf
https://boris.unibe.ch/130644/1/10.1007_s00190-019-01262-w.pdf
Autor:
Stefan Schaer, Lars Prange, Andrea Grahsl, Andreja Susnik, Daniel Arnold, Arturo Villiger, Adrian Jäggi, Rolf Dach
Publikováno v:
Dach, Rolf; Susnik, Andreja; Grahsl, Andrea; Villiger, Arturo; Schaer, Stefan; Arnold, Daniel; Prange, Lars; Jäggi, Adrian (2019). Improving GLONASS Orbit Quality by Re-estimating Satellite Antenna Offsets. Advances in space research, 63(12), pp. 3835-3847. Elsevier 10.1016/j.asr.2019.02.031
Earlier studies performed at the Center for Orbit Determination in Europe (CODE) analysis center have revealed conspicuous signatures for certain GLONASS satellites when comparing their orbits with Satellite Laser Ranging (SLR) measurements. In this
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::21c259d9b66203f50cbfd72f0a8d277d
https://boris.unibe.ch/127429/1/1-s2.0-S0273117719301358-main.pdf
https://boris.unibe.ch/127429/1/1-s2.0-S0273117719301358-main.pdf