Results 11 to 20 of about 266,964 (192)
Positioning Using GPS and GLONASS Systems [PDF]
TransNav, 2009 This paper presents an experiment involving the processing of observations using the GPS and GPS/GLONASS systems performed at the BOGO, BOGI, and JOZ2 IGS stations.
Lech Kujawa +2 more
doaj +2 more sources
, 2018 Global Positioning System (GPS) technology is ideally suited for inshore and offshore positioning because of its high accuracy and the short observation time required for a position fix.
A. Farah
semanticscholar +2 more sources
Precise positioning in real-time using GPS-RTK signal for visually impaired people navigation system [PDF]
, 2010 This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University, 24/9/2010.This thesis presents the research carried out to investigate and achieve highly reliable and accurate navigation system of guidance for visually ...
Al-Salihi, Nawzad Kameran
core +7 more sources
Homogeneous reprocessing of GPS, GLONASS and SLR observations [PDF]
Journal of Geodesy, 2014 The International GNSS Service (IGS) provides operational products for the GPS and GLONASS constellation. Homogeneously processed time series of parameters from the IGS are only available for GPS.
M. Fritsche +8 more
semanticscholar +3 more sources
Estimation and Evaluation of Zenith Tropospheric Delay from Single and Multiple GNSS Observations
Remote Sensing, 2023 Multi-Global Navigation Satellite Systems (multi-GNSS) (including GPS, BDS, Galileo, and GLONASS) provide a significant opportunity for high-quality zenith tropospheric delay estimation and its applications in meteorology.
Sai Xia, Shuanggen Jin, Xuzhan Jin
doaj +1 more source
Phase Center Corrections for BDS IGSO and MEO Satellites in IGb14 and IGSR3 Frame
Remote Sensing, 2021 As pre-launch antenna calibrations are not available for GPS and GLONASS satellites, the high correlation between the terrestrial scale and phase center offset (PCO) prevents a reliable estimation of the terrestrial scale with GNSS (Global Navigation ...
Ziyang Qu, Jing Guo, Qile Zhao
doaj +1 more source
Remote Sensing, 2021 Water vapor is one of the most important greenhouse gases in the world. There are many techniques that can measure water vapor directly or remotely. In this work, we first study the Global Positioning System (GPS)- and the Global Navigation Satellite ...
Hang Su +4 more
doaj +1 more source
IEEE Access, 2021 With the advances and modernization of GPS, GLONASS, BDS, Galileo and QZSS, multi-frequency and multi-system joint positioning has become the mainstream positioning and navigation.
Jinwei Bu +4 more
doaj +1 more source
Remote Sensing, 2020 With the emergence of BeiDou and Galileo as well as the modernization of GPS and GLONASS, more available satellites and signals enhance the capability of Global Navigation Satellite Systems (GNSS) to monitor the ionosphere.
Xiangdong An +5 more
doaj +1 more source
Remote Sensing, 2022 The main purpose of this article is to evaluate the comprehensive performance of two inter-frequency code bias (IFCB) models using undifferenced and uncombined observations.
Ban Zhao, Yongliang Xiong
doaj +1 more source