Results 141 to 150 of about 3,306 (203)
Research on Improving Satellite Positioning Precision Based on Multi-Frequency Navigation Signals. [PDF]
Sensors (Basel), 2022 Kong T, Ma L, Ai G.
europepmc +1 more source
Phase 1 Navstar/GPS ephemeris and space vehicle clock performance summary [PDF]
The Navstar/Global Positioning System (GPS) is considered. The issue of control segment accuracy in predicting space vehicle (SV) clock and ephemeris states for broadcast to the user community is addressed.
Bierman, A. B.
core +1 more source
Manual Gridding of DRIR Facsimile Pictures [PDF]
Method for manual geographical referencing of direct readout infrared radiometer data from Nimbus C ...
Smith, R. B.
core +1 more source
Realtime Precise Orbit Determination Technology for LEO Mega-Constellation
天地一体化信息网络Supported by GNSS, it analyzed the advantages and disadvantages of solving LEO satellite orbit on the ground or onboard the satellites.The high-fidelity non-conservative force models were applied to the real-time orbit determination algorithm.To separate
Zhen LI, Chuang SHI
doaj +2 more sources
Advanced tracking systems design and analysis [PDF]
The results of an assessment of several types of high-accuracy tracking systems proposed to track the spacecraft in the National Aeronautics and Space Administration (NASA) Advanced Tracking and Data Relay Satellite System (ATDRSS) are summarized ...
Cunningham, K. +7 more
core +1 more source
PPP/INS Tight Integration with BDS-3 PPP-B2b Service in the Urban Environment. [PDF]
Sensors (Basel), 2023 Lai L +5 more
europepmc +1 more source
ARAIM Stochastic Model Refinements for GNSS Positioning Applications in Support of Critical Vehicle Applications. [PDF]
Sensors (Basel), 2022 Yang L, Sun N, Rizos C, Jiang Y.
europepmc +1 more source
Authenticated Timing Protocol Based on Galileo ACAS. [PDF]
Sensors (Basel), 2022 Ardizzon F +4 more
europepmc +1 more source
Comparisons of Two Kinds of GPS Broadcast Ephemeris Parameter Algorithms
, 2006 Xianqiang CUI +3 more
openalex +1 more source