Results 11 to 20 of about 25,106 (257)
Associations of spatial mobility with sexual risk behaviors among young men who have sex with men in New York City: A global positioning system (GPS) study. [PDF]
Soc Sci Med, 2020 Kim B +5 more
europepmc +2 more sources
High precision positioning system for autopilot based on multi-sensor fusion [PDF]
E3S Web of Conferences, 2021 For autonomous vehicles, autonomous positioning is a core technology in their development. A good positioning system not only helps them efficiently complete autonomous operations, but also improves safety performance.
Luo Haoru, Liu Kechun
doaj +1 more source
Sensors, 2016 The Chinese BeiDou navigation satellite system (BDS) aims to provide global positioning service by 2020. The combined use of BDS and Global Positioning System (GPS) is proposed to provide navigation service with more stringent requirements.
Shau-Shiun Jan, An-Lin Tao
doaj +1 more source
Current State and Prospects of Satellite Navigation Applications in Transport
Promet (Zagreb), 2007 The article describes new possibilities of how to use globalsatellite navigation system Galileo, which is made by the EuropeanUnion and its European Space Agency ESA.
Alica Kalašova, Libor Palička
doaj +1 more source
Construction and Accuracy Analysis of a BDS/GPS-Integrated Positioning Algorithm for Forests
Croatian Journal of Forest Engineering, 2021 The objective of this study was to construct a BeiDou navigation satellite system (BDS)/ global positioning system (GPS)-integrated positioning algorithm that meets the accuracy requirement of forest surveys and to analyze its accuracy to provide ...
Fei Yan, Xueqi Hu, Lidan Xu, Yongrui Wu
doaj +1 more source
Positioning performance analysis on combined GPS/BDS precise point positioning
Geodesy and Geodynamics, 2020 Combining the observation data from five Multi-GNSS Experiment (MGEX) stations with the precise orbit and clock products from Global Positioning System (GPS) and BeiDou Navigation Satellite System (BDS), we studied the model of combined GPS/BDS precise ...
Jing Xiong, Fei Han
doaj +1 more source
Remote Sensing, 2019 The emergence of multiple global navigation satellite systems (multi-GNSS), including global positioning system (GPS), global navigation satellite system (GLONASS), Beidou navigation satellite system (BDS), and Galileo, brings not only great ...
Wenju Fu +6 more
doaj +1 more source
Novel Hybrid Algorithm of Improved CKF and GRU for GPS/INS
IEEE Access, 2020 In order to ensure that Inertial Navigation System/Global Positioning System integrated navigation system (INS/GPS) can still provide high precision positioning results when GPS outages, a novel hybrid algorithm based on Gated Recurrent Unit (GRU) and ...
Dengao Li, Yuqi Wu, Jumin Zhao
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Comparing Kalman Filter and Dynamic Adaptive Neuro Fuzzy for Integrating of INS/GPS Systems [PDF]
Engineering and Technology Journal, 2016 Global Positioning System (GPS) and Inertial Navigation System (INS) technologies have been widely used in a variety of positioning and navigation applications. Both Systems have their unique features and shortcomings.
Sameir A. Aziez, Huda Naji Abdul-Rihda
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Performance of global navigation satellite systems (GNSS) in absence of GPS observations
Ain Shams Engineering Journal, 2022 Over the last decades, a wide range of applications that require positioning relied on the global positioning system (GPS) established by the US Department of Defence (DOD).
Islam Ashour +3 more
doaj +1 more source