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of 67
pro vyhledávání: '"Ashraf Farah"'
Autor:
Ashraf, Romana, Amanat, Faiza, Ashraf, Farah, Owyed, Saud, Matoog, R.T., Mahmoud, Mona, Akgül, Ali
Publikováno v:
In Alexandria Engineering Journal November 2024 107:61-72
Akademický článek
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Autor:
Ashraf Farah, Mehdi Tlija
Publikováno v:
Applied Sciences, Vol 13, Iss 18, p 10408 (2023)
The use of high-precision positioning systems in modern navigation applications is crucial since location data is one of the most important pieces of information in Industry 4.0, especially for robots operating outdoors. In the modernization process
Externí odkaz:
https://doaj.org/article/c5ec547ef9cb433f8a82dc9c68b59f8b
Autor:
Ashraf Farah
Publikováno v:
Journal of Geomatics. 17:101-108
Precise Point Positioning (PPP) is relatively modern GNSS positioning technique that proved its efficiency comparing with traditional Differential positioning technique for more than three decades. PPP requires only one receiver collecting observatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::558199c7d696beee809940a15c0cd636
https://doi.org/10.58825/jog.2023.17.1.80
https://doi.org/10.58825/jog.2023.17.1.80
Autor:
Ashraf, Farah1, Zafar, Humaira2 humairazafar75@gmail.com, Naz, Mubashra3, Fatima, Umber4, Fatima, Anees5
Publikováno v:
Professional Medical Journal. Sep2021, Vol. 28 Issue 9, p1234-1238. 5p.
Autor:
Ashraf Farah
Publikováno v:
Artificial Satellites. 55:61-76
The GNSS observations suffer from different types of errors that could affect the achieved positioning accuracy based on the receiver type used. Single-frequency receivers are widely used worldwide because of its low cost. The ionospheric delay consi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d981605877480609693ecd6ab3a4127b
https://doi.org/10.2478/arsa-2020-0005
https://doi.org/10.2478/arsa-2020-0005
Publikováno v:
Case Reports in Oncology. 2019, Vol. 12 Issue 1, p224-227. 4p.
Autor:
Ashraf Farah
Publikováno v:
Journal of Applied Geodesy. 14:29-38
Satellite navigation systems face different types of errors that affect the positioning accuracy. The tropospheric delay considers one of the major sources of error for the transmitted signal that could face a tropospheric delay of over 2 m at zenith
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed6a4aa674dbd0aea88082b91abeeac3
https://doi.org/10.1515/jag-2019-0015
https://doi.org/10.1515/jag-2019-0015
Publikováno v:
Artificial Satellites. 54:97-112
Nowadays, Precise Point Positioning (PPP) is a very popular technique for Global Navigation Satellite System (GNSS) positioning. The advantage of PPP is its low cost as well as no distance limitation when compared with the differential technique. Sin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::adee92afb6a30562de79d160071c50e6
https://doi.org/10.2478/arsa-2019-0008
https://doi.org/10.2478/arsa-2019-0008
Autor:
Ashraf Farah
Publikováno v:
Artificial Satellites. 54:1-15
The range delay caused by the ionosphere layer is the major current source of error for GNSS users with single-frequency receivers. GNSS advice users to correct this type of error using ionospheric models whose coefficients are sent in their navigati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c6e3c59083c780aff105e4c6868e2d0
https://doi.org/10.2478/arsa-2019-0002
https://doi.org/10.2478/arsa-2019-0002