Time-frequency analysis of differences between coordinates of three permanent GNSS stations in Krakow

• Autorzy: Kosek Wiesław , Siejka Zbigniew

Identyfikatory

DOI

10.2478/rgg-2023-0011

• Języki publikacji: EN

Abstrakty

EN

This paper applies time-frequency analysis to a 3-day time series with a sampling interval of 1 second of the changes in E, N and H coordinates of three permanent GNSS stations: WRON, KR10, and KRUR in Krakow, as well as differences between them. Time-frequency analysis was conducted using a Fourier transform band-pass filter, which separates time series into frequency components. By analyzing the differences between these coordinates, it was observed that the WRON station shows a systematic error in the form of a regular wideband oscillation with a period of 75 minutes, whose amplitude varies from approximately 1 to 3 mm with a period of about 1 day. In the horizontal plane, this oscillation takes the shape of a flattened ellipse with a semi-major axis oriented in the northwest direction. The most probable cause of this regular oscillation is the day-to-day variability of the multipath signal environment.

Słowa kluczowe

EN

GNSS; precise GBAS; multipath environment; Fourier transform filter

PL

GNSS; precyzyjny GBAS; środowisko wielościeżkowe; filtr z transformacją Fouriera

• Wydawca: Wydział Geodezji i Kartografii Politechniki Warszawskiej
• Czasopismo: Reports on Geodesy and Geoinformatics
• Rocznik: 2023
• Tom: Vol. 116
• Strony: 61--68
• Opis fizyczny: Bibliogr. 30 poz., rys., tab., wykr.

Twórcy

autor

Kosek Wiesław

• Department of Environmental Engineering and Geodesy, Faculty of Production Engineering, University of Life Sciences in Lublin, 13 Akademicka Str, 20-950 Lublin, Poland

• https://orcid.org/0000-0002-1798-7097

autor

Siejka Zbigniew

• Department of Geodesy, Faculty of Environmental Engineering and Land Surveying, University of Agriculture in Krakow, Al. Mickiewicza 24/28, 30-059 Kraków, Poland

• https://orcid.org/0000-0003-2365-5571+

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).