Results 21 to 30 of about 22,812,475 (283)

Fault tolerant GPS-AOA-SINS integrated navigation algorithm based on federated Kalman filter

open access: yesTongxin xuebao, 2022
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

Assessment of BeiDou-3 and Multi-GNSS Precise Point Positioning Performance

open access: yesSensors, 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

A Multi-Source Fusion Navigation System to Overcome GPS Interruption of Unmanned Ground Vehicles

open access: yesIEEE Access, 2023
The Inertial Navigation System/Global Positioning System (INS/GPS) fusion navigation technology commonly used by unmanned ground vehicles is prone to GPS interruption in complex environments, resulting in the inability of the system to locate accurately.
Kuibao Zhu   +5 more
doaj   +1 more source

An intelligent differential GPS navigation system [PDF]

open access: yes, 1997
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This thesis describes an Intelligent Differential GPS Navigation System developed for a PhD research project.
Liu, L., Liu, Langtao
core   +6 more sources

High precision positioning system for autopilot based on multi-sensor fusion [PDF]

open access: yesE3S 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

Current State and Prospects of Satellite Navigation Applications in Transport

open access: yesPromet (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

Comprehensive Comparisons of Satellite Data, Signals, and Measurements between the BeiDou Navigation Satellite System and the Global Positioning System

open access: yesSensors, 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

Construction and Accuracy Analysis of a BDS/GPS-Integrated Positioning Algorithm for Forests

open access: yesCroatian 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

Multi-GNSS Combined Precise Point Positioning Using Additional Observations with Opposite Weight for Real-Time Quality Control

open access: yesRemote 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

Positioning performance analysis on combined GPS/BDS precise point positioning

open access: yesGeodesy 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

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