Zobrazeno 1 - 10
of 822
pro vyhledávání: '"Global navigation satellite systems (GNSS)"'
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 3701-3714 (2024)
This article explores the enhancement of Global Navigation Satellite Systems (GNSS) tropospheric tomography by integrating remote sensing data and employing various vertical constraints. Wet refractivity modeling, critical for understanding atmospher
Externí odkaz:
https://doaj.org/article/84479d7e9ad149fcafa578d92e59d9e7
Publikováno v:
Vestnik KRAUNC: Fiziko-Matematičeskie Nauki, Vol 45, Iss 4, Pp 166-189 (2023)
Состояние ионосферы является важным параметром характеризующим динамику Солнечно – Земных связей. Полное электронное содержание ионо
Externí odkaz:
https://doaj.org/article/e591ff3a7fec4875a0f5d9fe2052f561
Autor:
Hu, Liangliang a, Meng, Xiaolin a, b, ⁎, Xie, Yilin c, Hancock, Craig d, Ye, George e, Bao, Yan a
Publikováno v:
In Engineering Structures 1 June 2024 308
Publikováno v:
Journal of Geodesy and Geoinformation Science, Vol 6, Iss 3, Pp 135-144 (2023)
With the continued development of multiple Global Navigation Satellite Systems (GNSS) and the emergence of various frequencies, UnDifferenced and UnCombined (UDUC) data processing has become an increasingly attractive option. In this contribution, we
Externí odkaz:
https://doaj.org/article/8cb4c57325254d4dac1b55c4a6102b2d
Publikováno v:
Satellite Navigation, Vol 4, Iss 1, Pp 1-16 (2023)
Abstract Tropospheric delay is a major error caused by atmospheric refraction in Global Navigation Satellite System (GNSS) positioning. The study evaluates the potential of the European Centre for Medium-range Weather Forecast (ECMWF) Reanalysis 5 (E
Externí odkaz:
https://doaj.org/article/91d868fabe2a4b22b4892749aaef814f
Publikováno v:
Remote Sensing, Vol 16, Iss 15, p 2757 (2024)
This study investigates the relationship between geomagnetic activities and ionospheric scintillations, focusing on how solar and geomagnetic parameters influence ionospheric disturbances across varying time frames and latitudes. Utilizing indices su
Externí odkaz:
https://doaj.org/article/2346fa8fb04b47ceba0540ae322d75f7
Publikováno v:
Remote Sensing, Vol 16, Iss 10, p 1782 (2024)
Precision point positioning (PPP) utilizing the Global Navigation Satellite System (GNSS) is a traditional and widely employed technology. Its performance is susceptible to observation discontinuities and unfavorable geometric configurations. Consequ
Externí odkaz:
https://doaj.org/article/ea8438403c4b4aa49eacf95ac96f82cc
Publikováno v:
Radioengineering, Vol 32, Iss 1, Pp 113-123 (2023)
The time-hopping (TH) pulsed pseudolite (PL) can be used to enhance the performance of global navigation satellite systems (GNSS), and the slot index table (SIT) is an important part to form this PL signal. In this paper, a new method to generate SIT
Externí odkaz:
https://doaj.org/article/b802852b6cd14564bc376592384af198
Publikováno v:
In Advances in Space Research 1 June 2023 71(11):4765-4786