Results 71 to 80 of about 425 (159)

Investigation on Reference Frames and Time Systems in Multi-GNSS

Remote Sensing, 2018
Receivers able to track satellites belonging to different GNSSs (Global Navigation Satellite Systems) are available on the market. To compute coordinates and velocities it is necessary to identify all the elements that contribute to interoperability of ...
Luca Nicolini, Alessandro Caporali
doaj   +1 more source

BDS-3 Broadcast Ephemeris Orbit Correction Model Based on Improved PSO Combined with BP Neural Network. [PDF]

Comput Intell Neurosci, 2022
Peng J, Liu F, Hu W.
europepmc   +1 more source

A Robust Method to Detect BeiDou Navigation Satellite System Orbit Maneuvering/Anomalies and Its Applications to Precise Orbit Determination

Sensors, 2017
The failure to detect anomalies and maneuvering of the orbits of navigation satellite sensors will deteriorate the performance of positioning and orbit determination.
Fei Ye, Yunbin Yuan, Bingfeng Tan, Jikun Ou   +3 more
doaj   +1 more source

A Method to Determine BeiDou GEO/IGSO Orbital Maneuver Time Periods

Sensors, 2019
Because there are different types of BeiDou constellations with participating geostationary orbit (GEO) and inclined geosynchronous orbit (IGSO) satellites, the maneuvering frequency of BeiDou satellites is higher than that of other navigation systems ...
Zhiwei Qin, Guanwen Huang, Qin Zhang, Le Wang, Xingyuan Yan, Yanchao Kang, Xiaolei Wang, Shichao Xie   +7 more
doaj   +1 more source

Galileo broadcast ephemeris and clock errors, and observed fault probabilities for ARAIM

, 2023
(English) The characterization of Clock and Ephemeris error of the Global Navigation Satellite Systems is a key element to validate the assumptions for the integrity analysis of GNSS Safety of Life (SoL) applications. Specifically, the performance metrics of SoL applications require the characterization of the nominal User Range Errors (UREs) as well ...
openaire   +4 more sources

SISRE of BDS-3 MEO: Evolution as Well as Comparison between D1 and B-CNAV (B-CNAV1, B-CNAV2) Navigation Messages

Remote Sensing
The signal-in-space range error (SISRE) has a direct impact on the performance of global navigation satellite systems (GNSSs). It is an important indicator of navigation satellite space server performance.
Zhenghua Dong, Songlin Zhang
doaj   +1 more source

Research on the Fitting Algorithm of GLONASS Broadcast Ephemeris Parameters [PDF]

Proceedings of the 2015 Joint International Mechanical, Electronic and Information Technology Conference, 2015
Luming Quan, Xie xiao Gang
openaire   +1 more source

Galileo Broadcast Ephemeris and Clock Errors Analysis: 1 January 2017 to 31 July 2020. [PDF]

Sensors (Basel), 2020
Alonso MT, Sanz J, Juan JM, Rovira García A, Casado GG.   +4 more
europepmc   +1 more source

Real-Time Detection of Orbital Maneuvers Using Epoch-Differenced Carrier Phase Observations and Broadcast Ephemeris Data: A Case Study of the BDS Dataset. [PDF]

Sensors (Basel), 2020
Tu R, Zhang R, Fan L, Han J, Zhang P, Lu X.   +5 more
europepmc   +1 more source

Broadcast Ephemeris Model of the BeiDou Navigation Satellite System

JOURNAL OF ENGINEERING SCIENCE AND TECHNOLOGY REVIEW, 2017
Xie Xiaogang, Lu Mingquan
openaire   +1 more source