Results 21 to 30 of about 2,726,573 (279)
Vulnerability analysis of satellite-based synchronized smart grids monitoring systems [PDF]
, 2014 The large-scale deployment of wide-area monitoring systems could play a strategic role in supporting the evolution of traditional power systems toward smarter and self-healing grids. The correct operation of these synchronized monitoring systems requires
Ahmed faheem Zobaa +19 more
core +1 more source
Unanticipated Uses of the Global Positioning System
Annual Review of Earth and Planetary Science, 2019 Global Positioning System (GPS) instruments are routinely used today to measure crustal deformation signals from tectonic plate motions, faulting, and glacial isostatic adjustment.
K. Larson
semanticscholar +1 more source
Advances in Mechanical Engineering, 2015 Global Positioning System and Inertial Navigation System can be used to determine position and velocity. A Global Positioning System module is able to accurately determine position without sensor drift, but its usage is limited in heavily urbanized ...
Yong-Jin Yoon +3 more
doaj +1 more source
Iterative least squares method for global positioning system [PDF]
Advances in Radio Science, 2011 The efficient implementation of positioning algorithms is investigated for Global Positioning System (GPS). In order to do the positioning, the pseudoranges between the receiver and the satellites are required.
Y. He, A. Bilgic
doaj +1 more source
Indoor Positioning System: A Review
International Journal of Advanced Computer Science and Applications, 2022 Global Positioning System (GPS) has been developed in outdoor environments in recent years. GPS offers a wide range of applications in outdoor areas, including military, weather forecasting, vehicle tracking, mapping, farming, and many more.
N. J +5 more
semanticscholar +1 more source
Research on a mixed prediction method to vehicle integrated navigation systems
International Journal of Advanced Robotic Systems, 2019 Aiming to improve the positioning accuracy of vehicle integrated navigation system (strapdown inertial navigation system/Global Positioning System) when Global Positioning System signal is blocked, a mixed prediction method combined with radial basis ...
Di Zhao, Huaming Qian, Dingjie Xu
doaj +1 more source
Research Article. Improved Dual Frequency PPP Model Using GPS and BeiDou Observations
Journal of Geodetic Science, 2017 This paper introduces a new dual-frequency precise point positioning (PPP) model, which combines GPS and BeiDou observations. Combining GPS and BeiDou observations in a PPP model offers more visible satellites to the user, which is expected to enhance ...
Afifi A., El-Rabbany A.
doaj +1 more source
GeoNotes: A Location-based Information System for Public Spaces [PDF]
, 2002 The basic idea behind location-based information systems is to connect information pieces to positions in outdoor or indoor space. Through position technologies such as Global Positioning System (GPS), GSM positioning, Wireless LAN positioning ...
Cöster, Rickard +4 more
core +2 more sources
Indoor positioning based on global positioning system signals [PDF]
, 2012 The Global Positioning System (GPS) is highly reliable and accurate when used outdoors.However, in indoor environments, due to the additional signal loss incurred by the walls of the buildings, the detection and decoding of GPS signals becomes a ...
Bozkurt, Ayhan +4 more
core +2 more sources
International Journal of Distributed Sensor Networks, 2019 People have to move between indoor and outdoor frequently in city scenarios. The global navigation satellite system signal cannot provide reliable indoor positioning services.
Deyue Zou +7 more
doaj +1 more source