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T-RAIM for Precise Orbit Determination in LEO-PNT [PDF]

open access: yesSensors
The rapid development of Low Earth Orbit Position, Navigation, and Timing (LEO-PNT) constellations presents opportunities to augment Global Navigation Satellite Systems (GNSSs) with additional signals from Low Earth Orbit (LEO) satellites, thereby ...
Ciro Gioia   +4 more
doaj   +4 more sources

Experimental Study on the Precise Orbit Determination of the BeiDou Navigation Satellite System [PDF]

open access: yesSensors, 2013
The regional service of the Chinese BeiDou satellite navigation system is now in operation with a constellation including five Geostationary Earth Orbit satellites (GEO), five Inclined Geosynchronous Orbit (IGSO) satellites and four Medium Earth Orbit ...
Jens Wickert   +4 more
doaj   +4 more sources

Precise Orbit Determination of FY-3C with Calibration of Orbit Biases in BeiDou GEO Satellites [PDF]

open access: yesRemote Sensing, 2018
The emerging BeiDou navigation satellite system has contributed to global precise positioning and has recently moved toward space-borne applications.
Qiang Zhang   +3 more
doaj   +4 more sources

Precise Orbit Determination of MEX Flyby Phobos Using Simulated Radiometric and Image Data [PDF]

open access: yesSensors, 2021
A navigation camera or topography camera is a standard payload for deep space missions and the image data are normally used for auto-navigation. In this work, we study the potential contribution of image data in precise orbit determination for deep space
Xinbo Zhu   +5 more
doaj   +2 more sources

Precise orbit determination for BDS satellites [PDF]

open access: yesSatellite Navigation, 2022
Since the first pair of BeiDou satellites was deployed in 2000, China has made continuous efforts to establish its own independent BeiDou Navigation Satellite System (BDS) to provide the regional radio determination satellite service as well as regional ...
Qile Zhao   +6 more
doaj   +2 more sources

Improving GLONASS Precise Orbit Determination through Data Connection [PDF]

open access: yesSensors, 2015
In order to improve the precision of GLONASS orbits, this paper presents a method to connect the data segments of a single station-satellite pair to increase the observation continuity and, consequently, the strength of the precise orbit determination ...
Yang Liu   +5 more
doaj   +2 more sources

Undifferenced Kinematic Precise Orbit Determination of Swarm and GRACE-FO Satellites from GNSS Observations [PDF]

open access: yesSensors, 2022
Low Earth Orbit (LEO) satellites can be used for remote sensing and gravity field recovery, while precise orbit determination (POD) is vital for LEO satellite applications.
Peng Luo, Shuanggen Jin, Qiqi Shi
doaj   +2 more sources

Real-Time Precise Orbit Determination for LEO between Kinematic and Reduced-Dynamic with Ambiguity Resolution

open access: yesAerospace, 2022
The real-time integer-ambiguity resolution of the carrier-phase observation is one of the most effective approaches to enhance the accuracy of real-time precise point positioning (PPP), kinematic precise orbit determination (KPOD), and reduced-dynamic ...
Zhiyu Wang   +7 more
doaj   +3 more sources

LEO Precise Orbit Determination with Inter-satellite Links [PDF]

open access: yesRemote Sensing, 2019
Traditional precise orbit determination (POD) for low Earth orbit (LEO) satellites relies on observations from ground stations and onboard receivers.
Xingxing Li   +5 more
doaj   +2 more sources

Precision Assessment of Near Real Time Precise Orbit Determination for Low Earth Orbiter [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2011
The precise orbit determination (POD) of low earth orbiter (LEO) has complied with its required positioning accuracy by the double-differencing of observations between International GNSS Service (IGS) and LEO to eliminate the common clock error of the ...
Jong-Yeoun Choi, Sang-Jeong Lee
doaj   +5 more sources

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