Evaluation of the influence of high‑order ionospheric delay on GPS undifferenced and uncombined precise point positioning

• Autorzy: Tian Xiangyu , Chai Hongzhou , Yin Xiao , Pan Zongpeng , Wang Min

Identyfikatory

DOI

10.1007/s11600-023-01055-y

• Języki publikacji: EN

Abstrakty

EN

High active ionosphere periods have a sizeable ionospheric delay in signal transmission. The high-order ionospheric delay (HOI) severely influences GPS precise point positioning (PPP). The phase-smoothed pseudorange method is used to calculate the slant total electron content, and IGRF-13 (the 13th International Geomagnetic Reference Field) is introduced to calculate high-order ionospheric delay. UDUC PPP with HOI constraint is realized, and the solutions without and with HOI correction are obtained. The time series of the positioning residuals are used to explore the white noise and zero mean characteristics of code and phase. Based on the Jarque–Bera test and t test, the influence of HOI on PPP residuals in the active ionosphere period is researched. The results show that HOI is at the millimeter level, and its influence on UDUC PPP is at the submillimeter level. Thus, HOI needs to be considered in UDUC PPP for the millimeter application.

Słowa kluczowe

EN

active ionosphere period; HOI; undifferenced and uncombined; PPP; hypothesis test

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2023
• Tom: Vol. 71, no. 4
• Strony: 1983--1994
• Opis fizyczny: Bibliogr. 31 poz., rys., tab.

Twórcy

autor

Tian Xiangyu

• Institute of Geospatial Information, PLA Information Engineering University, Zhengzhou 450001, China

• https://orcid.org/0000-0002-6606-5005

autor

Chai Hongzhou

• Institute of Geospatial Information, PLA Information Engineering University, Zhengzhou 450001, China

autor

Yin Xiao

• Zhejiang A&F University, Hangzhou 310000, China

autor

Pan Zongpeng

• Xi’an Research Institute of Surveying and Mapping, Xi’an 710000, China

autor

Wang Min

• Institute of Geospatial Information, PLA Information Engineering University, Zhengzhou 450001, China

Bibliografia

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Uwagi

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