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Travel patterns during pregnancy: comparison between Global Positioning System (GPS) tracking and questionnaire data. [PDF]
BackgroundMaternal exposures to traffic-related air pollution have been associated with adverse pregnancy outcomes. Exposures to traffic-related air pollutants are strongly influenced by time spent near traffic.
Wu J +6 more
europepmc +2 more sources
Global Positioning System (GPS)
Author: -------(19-11-2013) 1 | P a g e GPS and its Functionality Global Positioning System (GPS) innovated by the US Department of Defence is a system for navigation that allows one to roam easily, find locations and predict destination routes while ...
Joseph Khoury, Gilles Lamothe
openaire +2 more sources
ANALYSIS OF POSITIONING DEVIATION BETWEEN BEIDOU AND GPS BASED ON NATIONAL REFERENCE STATIONS IN CHINA [PDF]
In order to probe into the characteristics of positioning deviation between Beidou Navigation Satellite System (Beidou) and global positioning system (GPS), and investigate possible contribution of Beidou data to refinement of global coordinate system ...
M. Chen, Q. Zhang, Q. Zhang
doaj +1 more source
The Tibetan Plateau (TP), known as the third pole, is the highest plateau in the world. It has numerous wetlands, which are important ecological security barriers and plays an important role in mitigating global climate change. This paper employed breaks
Yuhan Chen +11 more
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Real-time global positioning is important for container-based logistics. However, a challenge in real-time global positioning arises from the frequency of both global positioning system (GPS) calls and GPS-denied environments during transportation.
Shan Huang +5 more
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OL-SLAM: A Robust and Versatile System of Object Localization and SLAM
This paper proposes a real-time, versatile Simultaneous Localization and Mapping (SLAM) and object localization system, which fuses measurements from LiDAR, camera, Inertial Measurement Unit (IMU), and Global Positioning System (GPS).
Chao Chen +6 more
doaj +1 more source
UAV ONBOARD GPS IN POSITIONING DETERMINATION [PDF]
The establishment of ground control points is a critical issue in mapping field, especially for large scale mapping. The fast and rapid technique for ground control point’s establishment is very important for small budget projects.
K. N. Tahar, S. S. Kamarudin
doaj +1 more source
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
Fault tolerant GPS-AOA-SINS integrated navigation algorithm based on federated Kalman filter
At present, global positioning system (GPS) was widely used in outdoor positioning.However, the continuous development of cities complicated the positioning environment, resulting in a sharp decline in positioning accuracy.Therefore, the integrated ...
Rui JIANG +4 more
doaj +2 more sources
High precision positioning system for autopilot based on multi-sensor fusion [PDF]
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

