Results 161 to 170 of about 162,805 (182)

Broadcast vs. precise GPS ephemerides: a historical perspective

, 2003
David L. M. Warren, John Raquet
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GPS positioning with broadcast and precise ephemerides

SICE '95. Proceedings of the 34th SICE Annual Conference. International Session Papers, 2002
Masaya Murata, Masatoshi Harigae, Toshiaki Tsujii   +2 more
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Effect of Broadcast ahd Precise Ephemerides on Estimates of the Frequency Stability of GPS NAVSTAR Clocks

, 1993
Thomas B. McCaskill, Wilson G. Reid, James A. Buisson, Hugh E. Warren   +3 more
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A Simplified–Modified Algorithm for Glonass Broadcast Orbits Computation

Artificial Satellites
The orbits of Global Navigation Satellite System (GLONASS) satellites are computed from the broadcast ephemerides using the fourth order of the Runge–Kutta integration method.
Medjahed Sid Ahmed
semanticscholar   +1 more source

Real-time precise orbit determination of LEO satellite based on BDS-3 global short message communication: simulation and verification

Measurement science and technology
The increasing utilization of low Earth orbit (LEO) applications necessitates high-precision onboard real-time orbit solutions. However, achieving real-time precise orbit determination (RTPOD) requires precise real-time orbit and clock products ...
Kecai Jiang, Jiangnan Zhang, Xin Xie, Min Li, Yubin Wang, Wenwen Li, Yashi Zhou, Xiaolei Han, Qile Zhao, Jingnan Liu   +9 more
semanticscholar   +1 more source

Obstructed GNSS Positioning Assisted by Opportunistic LEO Doppler Leveraging Real-Time PPP With State-Space Representation

IEEE Sensors Journal
The global navigation satellite system (GNSS) signals may be unexpectedly blocked in complicated environments with severe obscuration or GNSS interference. The Doppler signal of low-Earth-orbit (LEO) satellites can be utilized as a signal of opportunity (
Peng Liu, K. Ling, Honglei Qin, Muyuan Jiang, Jun Lu, Y. L. Guan, Chau Yuen   +6 more
semanticscholar   +1 more source

Evaluation of GPS and BDS-3 broadcast earth rotation parameters: a contribution to the ephemeris rotation error

GPS Solutions, 2023
Wenwen Li, Guo Chen, Min Li, N. Wei, Yubin Wang, Qile Zhao   +5 more
semanticscholar   +1 more source

Assessment of BDS-3 terrestrial reference frame realized by broadcast ephemeris: comparison with GPS/Galileo

GPS Solutions, 2021
Guo Chen, N. Wei, Min Li, Qile Zhao, Yujiao Niu, Hongliang Cai, Yinan Meng   +6 more
semanticscholar   +1 more source

Exploring characteristics of BDS-3 PPP-B2b augmentation messages by a three-step analysis procedure

GPS Solutions, 2023
Chenhao Ouyang, Junbo Shi, Wenjie Peng, Xinying Dong, Jiming Guo, Yibin Yao   +5 more
semanticscholar   +1 more source

Effect of broadcast and precise ephemerides on estimates of the frequency stability of GPS Navstar clocks

, 1994
Thomas B. McCaskill, Wilson G. Reid, James A. Buisson, Hugh E. Warren   +3 more
openalex   +1 more source