Results 51 to 60 of about 51,700 (277)

Use of NTRIP for Optimizing the Decoding Algorithm for Real-Time Data Streams

open access: yesSensors, 2014
As a network transmission protocol, Networked Transport of RTCM via Internet Protocol (NTRIP) is widely used in GPS and Global Orbiting Navigational Satellite System (GLONASS) Augmentation systems, such as Continuous Operational Reference System (CORS ...
Zhanke He   +4 more
doaj   +1 more source

A Decentralized Processing Schema for Efficient and Robust Real-time Multi-GNSS Satellite Clock Estimation [PDF]

open access: yes, 2019
Real-time multi-GNSS precise point positioning (PPP) requires the support of high-rate satellite clock corrections. Due to the large number of ambiguity parameters, it is difficult to update clocks at high frequency in real-time for a large reference ...
Ge, Maorong   +4 more
core   +1 more source

Design of the ASSUT-FF Algorithm for GTO Satellite CNS/BDS Integrated Navigation

open access: yesAerospace, 2022
The velocity and acceleration of geostationary transfer orbit (GTO) satellites change dramatically and periodically, and the operating area extends from hundreds of kilometers to 36,000 km above the Earth’s surface.
Bing Hua   +3 more
doaj   +1 more source

Satellite mapping in cities and below cities: how good is it now? [PDF]

open access: yes, 2016
Global navigation satellite systems (GNSS) have existed since the launch of the US global positioning system constellation in 1978. There is an increasing need for better maps in the digital age, particularly for buried utilities.
Barnes J   +21 more
core   +1 more source

FLAMINGO – Fulfilling enhanced location accuracy in the mass-market through initial GalileO services [PDF]

open access: yes, 2018
This paper discusses FLAMINGO, an initiative that will provide a high accuracy positioning service to be used by mass market applications. The status and future for the initiative are discussed, the required accuracies and other location parameters are ...
Arzel, Laurent   +7 more
core   +1 more source

Research on the Application of the Beidou Third Generation in Grain Logistics Information System

open access: yesLiang you shipin ke-ji, 2023
This article elaborates the Beidou third-generation satellite navigation positioning and its application advantages on the advantages application of logistics tracking and emergency command and dispatch in the grain industry. Through the basic principles
LI De-yan   +3 more
doaj   +1 more source

A review of satellite positioning systems for civil engineering [PDF]

open access: yes, 2015
This paper informs and updates civil engineers of the status and advances of global navigation satellite systems, and how this will affect the profession in the near future. An overview of the various global and regional systems is given. Real data are
Brown, C, Roberts, GW, Tang, X
core   +2 more sources

A two-step method to detect broadcast ephemeris unavailable periods caused by BeiDou satellite orbital maneuvers

open access: yesGeodesy and Geodynamics, 2023
The space constellation of the BeiDou navigation satellite system (BDS) is a hybrid constellation containing medium earth orbit (MEO) satellites, geostationary earth orbit (GEO) satellites, and inclined geosynchronous orbit (IGSO) satellites.
Jingjing Wang, Chao Zhou, Zhixuan Sun
doaj   +1 more source

Analysis of the Effect of Different Combinations of Observation Satellites on the Resolving Accuracy of GNSS Observation Data [PDF]

open access: yesE3S Web of Conferences, 2020
In this paper, 24 C-level control points under different terrain conditions were selected to be the testing points. The binary-satellite system (GPS+GLONASS) and the triple-satellite system with BeiDou Navigation Satellite System (BDS) (BDS+GPS+GLONASS ...
Wang Junze   +3 more
doaj   +1 more source

THE PERFORMANCE ANALYSIS OF BDS POSITIONING IN NORDIC AREAS BASED ON THE SMARTPHONE [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
Nowadays, the Global Navigation Satellite System (GNSS) is widely used in many applications. As a new system, China's BeiDou navigation system (BDS) is emerging in recent years.
C. Chen   +6 more
doaj   +1 more source

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