Results 21 to 30 of about 25,089,563 (315)

Single-Frequency Precise Point Positioning Using Regional Dual-Frequency Observations

open access: yesSensors, 2021
High-precision and low-cost single-frequency precise point positioning (SF-PPP) has been attracting more and more attention in numerous global navigation satellite system (GNSS) applications.
Junping Zou, Ahao Wang, Jiexian Wang
doaj   +1 more source

Integrating remote sensing, geographic information systems and global positioning system techniques with hydrological modeling

open access: yesApplied Water Science, 2017
Integration of remote sensing (RS), geographic information systems (GIS) and global positioning system (GPS) are emerging research areas in the field of groundwater hydrology, resource management, environmental monitoring and during emergency response ...
J. Thakur   +2 more
semanticscholar   +1 more source

Research Article. Improved Dual Frequency PPP Model Using GPS and BeiDou Observations

open access: yesJournal 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

Unanticipated Uses of the Global Positioning System

open access: yesAnnual 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

Research on a mixed prediction method to vehicle integrated navigation systems

open access: yesInternational 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

A commentary of Hyper-accurate position in MIT Technology Review 2021

open access: yesFundamental Research, 2021
The positioning accuracy improvement of satellite navigation system support the development of industries related to high accuracy positioning. The BeiDou global satellite navigation system (BDS-3) started providing full-scale global services in 2020 ...
Xia Ren, Yuanxi Yang
doaj   +1 more source

IMPLEMENTATION OF VISIBLE LIGHT COMMUNICATION BASED SYSTEM FOR INDOOR POSITIONING [PDF]

open access: yes, 2017
Visible light communication (VLC), have gain much interest in past decade in indoor communication. In particular, it is use for illumination and communication simultaneously.
Kasi, Ajab Khan   +4 more
core   +1 more source

Implementasi Global Positioning System (GPS) dan Location Based Service (LSB) pada Sistem Informasi Kereta Api untuk Wilayah Jabodetabe [PDF]

open access: yes, 2017
Kereta api adalah tranportasi umum yang sering digunakan oleh masyarakat Indonesia. Khusus untuk Jabodetabek sendiri, telah melayani 72 stasiun dengan jengkauan rute 184,5 km. Dibutuhkan informasi mengenai kereta api baik itu stasiun maupun kereta.
Devi, Ririn Eka Cipta, Alfeno, Sandro
core   +1 more source

Global Positioning System [PDF]

open access: yes, 2014
Global positioning system is now generally used during field investigations for obtaining precise locations but more importantly it has been employed to determine the plate movements. The results are used for determining the strain build-up in an area and seismic predictions.
  +4 more sources

Indoor Positioning System: A Review

open access: yesInternational 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

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