Dieses Bild zeigt Ashraf  Abdallah

Ashraf Abdallah

Dr. -Ing.

Postdoc-Forscher
Institut für Ingenieurgeodäsie Stuttgart
Fakultät 6: Luft- und Raumfahrtechnik und Geodäsie

Kontakt

Geschwister-Scholl-Str. 24D
70174 Stuttgart
Deutschland

Fachgebiet

  • GNSS-Beobachtungstechnik für die Wasserwirtschaft
  • Präzise Punktpositionierung für Vermessungsanwendungen
  • Ionosphärenmodellierung für Einzelfrequenz-PPP-Lösungen
  1. Abdallah, A., Agag, T., & Schwieger, V. (2023). Method of Development of a New Regional Ionosphere Model (RIM) to Improve Static Single-Frequency Precise Point Positioning (SF-PPP) for Egypt Using Bernese GNSS Software. Remote Sensing, 15(12), Article 12. https://doi.org/10.3390/rs15123147
  2. Abdallah, A., Agag, T., & Schwieger, V. (2022). Validation of CODE-GIM and Regional Ionosphere Model (RIM) for Single Frequency GNSS PPP Solution using Bernese GNSS software- Case Study, Egyptian Nile Delta. XXVII FIG Congress 2022, Warsaw, Poland. https://www.fig.net/resources/proceedings/fig_proceedings/fig2022/papers/ts08c/TS08C_abdallah_tarek_et_al_11375_abs.pdf
  3. Abdallah, A., Abazeed, A., Abomariam, A., & Ali, R. (2020). Efficiency of Using GNSS-PPP for Digital Elevation Model (DEM) Production. Artificial Satellites, 55, 1–2020. https://doi.org/10.2478/arsa-2020-0002
  4. Hamed, M., Abdallah, A., & Farah, A. (2019). Kinematic PPP Using Mixed GPS/Glonass Single-Frequency Observations. Artificial Satellites, 54. https://doi.org/10.2478/arsa-2019-0008
  5. Abdallah, A., & Schwieger, V. (2018). Improving Hydrographic PPP by Height Constraining. FIG Congress 2018, Istanbul, Turkey. May 06-11. https://www.fig.net/fig2018/technical_program.htm
  6. Abdallah, A., & Schwieger, V. (2016). Static GNSS Precise Point Positioning Using Free Online Services for Africa. Journal of Survey Review, 47(346), Article 346.
  7. Abdallah, A., & Schwieger, V. (2016). Performance of IGS Final Satellite Data for Kinematic PPP Solutions Using Bernese Solutions and CSRS-PPP Online Service. GeoSiberia, Novosibirsk, Russia, 20.-22.04.
  8. Abdallah, A. T. M. (2016). Precise point positioning for kinematic applications to improve hydrographic survey [Dissertation, Universität Stuttgart]. https://doi.org/10.18419/opus-9026
  9. Abdallah, A. (2015). The Effect of Convergence Time on the Static-PPP Solution. 2nd International workshop on “Integration of Point- and Area- wise Geodetic Monitoring for Structures and Natural Objects” Stuttgart, Germany, 23.-24.Mar.
  10. Abdallah, A. (2015). Precise point positioning for kinematic applications to improve hydrographic survey. Universität Stuttgart.
  11. Abdallah, A., & Schwieger, V. (2015). PPP for Hydrography. GPS World Magazine. GPS World Magazine, 26 (12), 2–55.
  12. Abdallah, A., & Schwieger, V. (2015). Kinematic Precise Point Positioning (PPP) Solution for Hydrographic Applications. FIG Working Week 2015, Sofia, Bulgaria, 17–21 May.
  13. Abdallah, A., & Schwieger, V. (2014). Accuracy Assessment Study of GNSS Precise Point Positioning for Kinematic Positioning. In J. Schattenberg & T.-F. Minßen (Hrsg.), 4th International Conference on Machine Control and Guidance (MCG). TU Braunschweig, Braunschweig.
  14. Abdallah, A. (2013). Accuracy Assessment Study of Precise Point Positioning for Static and Kinematic Surveying. https://doi.org/10.13140/RG.2.1.4765.3606
  15. Abdallah, A., Farah, A., & Farrag, F. (2008). Accuracy assessment study of using GPS for surveying applications in South Egypt. Al-Azhar University Engineering Journal, JAUES, 3.
  16. Abdallah, A., Farah, A., & Farrag, F. (2008). ACCURACY ASSESSMENT STUDY OF STATIC-GPS IN SOUTH EGYPT. Al-Azhar University Engineering Journal, JAUES, 3.
  17. Farah, A., Abdallah, A., & Farrag, F. (2008). Accuracy Assessment of Digital Elevation Models Using GPS. Artificial Satellites, 43, 151–161. https://doi.org/10.2478/v10018-009-0014-7
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