Results 21 to 30 of about 97,722 (273)
Remote Sensing, 2021 Aiming at the GNSS receiver vulnerability in challenging urban environments and low power consumption of integrated navigation systems, an improved robust adaptive Kalman filter (IRAKF) algorithm with real-time performance and low computation complexity ...
Peihui Yan +7 more
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GNSS smartphones positioning: advances, challenges, opportunities, and future perspectives
Satellite Navigation, 2021 Starting from 2016, the raw Global Navigation Satellite System (GNSS) measurements can be extracted from the Android Nougat (or later) operating systems. Since then, GNSS smartphone positioning has been given much attention.
F. Zangenehnejad, Yang Gao
semanticscholar +1 more source
Earth, Planets and Space, 2022 As part of the International GNSS Service (IGS) multi-GNSS Pilot Project (MGEX), precise orbit and clock products for multi-GNSS constellations have been submitted by several analysis centers (ACs) since 2012.
Guo Chen +5 more
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A review of real-time multi-GNSS precise orbit determination based on the filter method
Satellite Navigation, 2022 Stable and reliable high-precision satellite orbit products are the prerequisites for the positioning services with high performance. In general, the positioning accuracy depends strongly on the quality of satellite orbit and clock products, especially ...
Yidong Lou +7 more
doaj +1 more source
Water Resources Research, 2022 Hydrogeodesy, a relatively new field within the earth sciences, is the analysis of the distribution and movement of terrestrial water at Earth's surface using measurements of Earth's shape, orientation, and gravitational field.
Alissa M. White +4 more
semanticscholar +1 more source
A Survey of GNSS Spoofing and Anti-Spoofing Technology
Remote Sensing, 2022 With the development of satellite navigation technology, the research focus of GNSS has shifted from improving positioning accuracy to expanding system application and improving system performance.
Lianxiao Meng +3 more
semanticscholar +1 more source
Modelling and prediction of GNSS time series using GBDT, LSTM and SVM machine learning approaches
Journal of Geodesy, 2022 Global navigation satellite system (GNSS) site coordinate time series provides essential data for geodynamic and geophysical studies, realisation of a regional or global geodetic reference frames, and crustal deformation research.
Wenzong Gao +4 more
semanticscholar +1 more source
FY3E GNOS II GNSS Reflectometry: Mission Review and First Results
Remote Sensing, 2022 FengYun-3E (FY3E), launched on 5 July 2021, is one of China’s polar-orbiting meteorological satellite series. The GNOS II onboard FY3E is an operational GNSS remote sensor that for the first time combines GNSS radio occultation (GNSS RO) and GNSS ...
Guanglin Yang +18 more
semanticscholar +1 more source
A Sub-Regional Extraction Method of Common Mode Components from IGS and CMONOC Stations in China
Remote Sensing, 2019 There is always a need to extract more accurate regional common mode component (CMC) series from coordinate time series of Global Positioning System (GPS) stations, which would be of great benefit to describe the deformation features of the Earth’s
Shuguang Wu +8 more
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Joint Inversion of GNSS and GRACE for Terrestrial Water Storage Change in California
Journal of Geophysical Research - Solid Earth, 2022 Global Navigation Satellite System (GNSS) vertical displacements measuring the elastic response of Earth's crust to changes in hydrologic mass have been used to produce terrestrial water storage change (∆TWS) estimates for studying both annual ∆TWS as ...
G. Carlson, S. Werth, M. Shirzaei
semanticscholar +1 more source