Dr.ir. A.A. (Sandra) Verhagen
Dr.ir. A.A. (Sandra) Verhagen
Expertise
Publications
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2022
Improvement of multi-gnss precision and success rate using realistic stochastic model of observations
Farinaz Mirmohammadian / Jamal Asgari / Sandra Verhagen / Alireza Amiri Simkooei
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2022
Multi-GNSS-Weighted Interpolated Tropospheric Delay to Improve Long-Baseline RTK Positioning
Farinaz Mirmohammadian / Jamal Asgari / Sandra Verhagen / Alireza Amiri-Simkooei
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2021
A multi-frequency galileo ppp-rtk convergence analysis with an emphasis on the role of frequency spacing
Dimitrios Psychas / Peter J.G. Teunissen / Sandra Verhagen
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2021
Flight-Test Evaluation of Integer Ambiguity Resolution Enabled PPP
Hongyang Ma / Sandra Verhagen / Dimitrios Psychas / João Francisco Galera Monico / Haroldo Antonio Marques
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2021
Influence of the inhomogeneous troposphere on GNSS positioning and integer ambiguity resolution
Hongyang Ma / Dimitrios Psychas / Xuhuang Xing / Qile Zhao / Sandra Verhagen / Xianglin Liu
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Courses 2023
- Final Thesis Geoscience and…
- Modelling, Uncertainty and…
- Earth Observation…
- Geo-Data Analysis and…
- Geo-Data Analysis and…
- Geo-Data and Geo-Informatics
- Earth Deformation Processes…
- Climate Modelling and Remote…
- Earth Observation B-module
- GRS Fieldwork
- Geo-Measurement Processing
- Thesis Preparation
- Forward and Inverse…
- Master Thesis Applied Earth…
- Modelling Coupled Processes…
Courses 2022
- Hydrological Processes and…
- Geo-measurement processing
- Geoscience and Remote…
- GPS for Civil Engineering…
- Modelling, Uncertainty and…
- Modelling, Uncertainty and…
- Earth Observation…
- Geo-Data Analysis and…
- Geo-Data Analysis and…
- Geo-Data and Geo-Informatics
- Earth Deformation Processes…
- Climate Modelling and Remote…
- Earth Observation B-module
- Master Thesis Applied Earth…
Ancillary activities
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2023-04-12 - 2024-04-30
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2023-04-12 - 2024-04-30