[HTML][HTML] Two-dimensional Doppler velocimetry approach using a single X-ray pulsar for Jupiter exploration
J Liu, XL Ning, JT Hu - Acta Astronautica, 2023 - Elsevier
In the traditional X-ray pulsar Doppler velocimetry approach, a single pulsar only provides
the velocity information of spacecraft in the line-of-sight (LOS) direction of a pulsar …
the velocity information of spacecraft in the line-of-sight (LOS) direction of a pulsar …
Earth shadow time/accelerometer/GNSS-based geosynchronous transfer orbit determination method for electric propulsion satellite
W Lv, X Jiang, H Yang, Y Ji, G Sun, S Zhong - Advances in Space …, 2024 - Elsevier
Autonomous orbital maneuvering of an electric propulsion satellite in geosynchronous
transfer orbit (GTO) requires more accurate autonomous orbit determination (OD) …
transfer orbit (GTO) requires more accurate autonomous orbit determination (OD) …
A novel method for rapidly simulating X-ray pulsar signals at a spacecraft
L Shen, Y Ba, G Sun, X Li, H Sun, Z Deng, S Li… - Advances in Space …, 2024 - Elsevier
This paper addresses the challenges posed by the low photon flux and limited atmospheric
penetration capabilities of X-ray pulsar signals, which are further exacerbated by technical …
penetration capabilities of X-ray pulsar signals, which are further exacerbated by technical …
[HTML][HTML] Differential-geometry-based multi-dimensional joint position-velocity estimation using Crab pulsar profile distortion
LIU Jin, H ZHANG, N Xiaolin, MA Xin - Chinese Journal of Aeronautics, 2024 - Elsevier
The traditional orbit determination method based on pulsar profile distortion can determine
the six elements of the orbit. However, the estimation accuracies of these methods are …
the six elements of the orbit. However, the estimation accuracies of these methods are …
Time Dilation Modified-TDTOA/StarNAV Integrated Navigation Method for Mars Exploration
MZ Gui, Y Wei, X Ning, X Li - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
X-ray pulsar-based navigation (XNAV) is a feasible navigation method, which provides
position information of the spacecraft. However, according to the theory of relativity, the time …
position information of the spacecraft. However, according to the theory of relativity, the time …
X-ray Pulsar Navigation Based on Phase and Doppler Frequency Shift Using Double-differenced
W Zhang, X Ma, X Chen, J Xu, X Sun… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
To suppress the systematic errors of the X-ray pulsar navigation system (XPNAV) based on
the phase and Doppler frequency shift, and eliminate singularity phenomena, a double …
the phase and Doppler frequency shift, and eliminate singularity phenomena, a double …
Analysis and Compensation of Sun Direction Error on Solar Disk Velocity Difference
Solar disk velocity difference is an emerging celestial navigation measurement acquired
through four spectrometers positioned on the four corners of the quadrangular pyramid. The …
through four spectrometers positioned on the four corners of the quadrangular pyramid. The …
The Influence of Different Solar System Planetary Ephemerides on Pulsar Timing
JP Dai, W Han, N Wang - Research in Astronomy and …, 2024 - ui.adsabs.harvard.edu
Pulsar timing offers a comprehensive avenue for exploring diverse topics in physics and
astrophysics. High-precision solar system planetary ephemeris is crucial for pulsar timing as …
astrophysics. High-precision solar system planetary ephemeris is crucial for pulsar timing as …