Results 21 to 30 of about 17,916,319 (334)
ISPRS International Journal of Geo-Information, 2017 Multi-constellation global navigation satellite systems (GNSSs) are expected to enhance the capability of precise point positioning (PPP) by improving the positioning accuracy and reducing the convergence time because more satellites will be available ...
Xidong Yu, Jingxiang Gao
doaj +1 more source
Remote Sensing, 2023 Nowadays, both BDS-3 and Galileo can provide global positioning and navigation services. This contribution carried out a comprehensive analysis and validation of positioning performance in terms of positioning accuracy (RMS) and convergence time, which ...
Zunyao Hou, Feng Zhou
doaj +1 more source
GPS/GLONASS Combined Precise Point Positioning with Receiver Clock Modeling
Sensors, 2015 Research has demonstrated that receiver clock modeling can reduce the correlation coefficients among the parameters of receiver clock bias, station height and zenith tropospheric delay.
Fuhong Wang, Xinghan Chen, Fei Guo
doaj +1 more source
LEO Enhanced Global Navigation Satellite System (LeGNSS): progress, opportunities, and challenges
Geo-spatial Information Science, 2021 With the completion of Chinese BeiDou Navigation Satellite System (BDS), the world has begun to enjoy the Positioning, Navigation, and Timing (PNT) services of four Global Navigation Satellite Systems (GNSS).
Haibo Ge +8 more
doaj +1 more source
Remote Sensing, 2022 This research presents the analysis of using different weighting functions for the GPS and Galileo observations in Precise Point Positioning (PPP) performance for globally located stations for one week in 2021.
Damian Kiliszek +2 more
doaj +1 more source
Direct Voxel Grid Optimization: Super-fast Convergence for Radiance Fields Reconstruction [PDF]
Computer Vision and Pattern Recognition, 2021 We present a super-fast convergence approach to reconstructing the per-scene radiance field from a set of images that capture the scene with known poses.
Cheng Sun, Min Sun, Hwann-Tzong Chen
semanticscholar +1 more source
Iterative time reversal with tunable convergence [PDF]
Electronics Letters, 2011 4 pages, 3 figures, published on Electronics ...
Edward Ott +3 more
openaire +3 more sources
Assessment of BeiDou-3 and Multi-GNSS Precise Point Positioning Performance
Sensors, 2019 With the launch of BDS-3 and Galileo new satellites, the BeiDou navigation satellite system (BDS) has developed from the regional to global system, and the Galileo constellation will consist of 26 satellites in space. Thus, BDS, GPS, GLONASS, and Galileo
Guoqiang Jiao +4 more
doaj +1 more source
Accuracy of Precise Point Positioning (PPP) with the use of different International GNSS Service (IGS) products and stochastic modelling [PDF]
Geodesy and Cartography, 2018 This paper provides analyses of the accuracy and convergence time of the PPP method using GPS systems and different IGS products. The official IGS products: Final, Rapid and Ultra Rapid as well as MGEX products calculated by the CODE analysis centres ...
Damian Kiliszek +2 more
doaj +1 more source
Impact of Number of Artificial Ants in ACO on Network Convergence Time: A Survey
International Journal of Informatics, Information System and Computer Engineering, 2022 Due to the dynamic nature of computer networks today, there is need to make the networks self-organized. Selforganization can be achieved by applying intelligent systems in the networks to improve convergence time. Bio-inspired algorithms that imitate
Samuel W Lusweti +2 more
doaj +1 more source