Enhanced orbit and baseline determination for formation-flying LEO satellites with spaceborne accelerometer measurements

C Wei, K Shao, D Gu, Z Zhang, J Zhu, Z An, J Wang - Journal of Geodesy, 2023 - Springer
The ultra-sensitive accelerometer onboard low Earth orbit (LEO) satellite can measure the
non-gravitational accelerations acting on the satellite in an adequate range and frequency …

Mitigation of thermal noise in GRACE accelerometer observations

R McGirr, P Tregoning, S Allgeyer, H McQueen… - Advances in Space …, 2022 - Elsevier
The precise calculation of GRACE and GRACE-FO satellite orbits is reliant on knowledge of
accurate non-gravitational accelerations acting on the spacecraft. These are measured by …

GRACE-FO accelerometer performance analysis and calibration

J Zhang, W You, B Yu, D Fan - GPS Solutions, 2023 - Springer
As a crucial payload on dedicated gravity satellites, the accelerometer (ACC) measures the
non-gravitational force acting on the satellite. The unknown scale and bias contaminate the …

Preliminary estimation and validation of polar motion excitation from different types of the grace and grace follow-on missions data

J Śliwińska, M Wińska, J Nastula - Remote Sensing, 2020 - mdpi.com
The Gravity Recovery and Climate Experiment (GRACE) mission has provided global
observations of temporal variations in the gravity field resulting from mass redistribution at …

A detailed analysis of stochastic models applied to temporal gravity field recovery with GRACE observations

B Yu, W You, J Kusche, D Fan, Y Su… - Geophysical Journal …, 2024 - academic.oup.com
In this study, we analysed the impacts of errors in background force models and observed
non-gravitational forces on the pseudo-observations (pre-fits) during gravity field recovery …

[HTML][HTML] Uncertainty of thermosphere mass density observations derived from accelerometer and GNSS tracking data

C Siemes, J van den IJssel, P Visser - Advances in Space Research, 2024 - Elsevier
Thermosphere mass density and crosswind can be derived from accelerometer and GNSS
tracking data. However, present datasets are often provided without comprehensive …

[HTML][HTML] Tailored accelerometer calibration by POD for thermospheric density retrieval with GRACE and GRACE-FO

F Wöske, M Huckfeldt, B Rievers - Advances in Space Research, 2024 - Elsevier
The density of the upper atmosphere can be determined by orbit and accelerometer data
from low Earth orbit satellites as insitu measurements along the orbit. One main challenge …

Towards a realistic noise modelling of quantum sensors for future satellite gravity missions

J Encarnação, C Siemes, I Daras, O Carraz… - arXiv preprint arXiv …, 2024 - arxiv.org
Cold Atom Interferometry accelerometers and gradiometers have emerged as promising
candidates for future gravimetric satellite missions due to their potential for detecting …

[HTML][HTML] GRACE-FO 加速度计校正方法研究

牛晗晗, 王长青, 钟敏, 闫易浩, 梁磊 - 大地测量与地球动力学, 2021 - html.rhhz.net
以2019-01 GRACE-FO 实测数据为例, 基于动力学方法, 采用24 h 弧长, 通过设置不同的加速度
计偏差参数校正策略, 分析其对轨道拟合及时变重力场反演结果的影响. 结果表明 …