Výsledky vyhledávání - "Orbit modeling"

Test of general relativity with GALILEO satellites

Autor: Finke, Felix

Diese Arbeit beschreibt einen satellitengestützten Test des Einstein'schen Äquivalenzprinzips, im speziellen der Universalität der Gravitationsrotverschiebung, als zentralen Bestandteil der Allgemeinen Relativitätstheorie. Seit ca. vierzig Jahren

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::10ee9446cb7b7d57aa6bead6872fed90

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Coupled Orbit-attitude Saturated Control for Solar Sail in Earth-Moon 3-body System

Autor: Yu Guo, Liping Wu, Zhihao Zhu

Publikováno v: International Journal of Control, Automation and Systems. 19:3631-3641

This paper aims to investigate a coupled orbit-attitude control strategy for a kind of novel spacecraft, solar sail, to track the given orbit in Earth-Moon 3-Body dynamic environment in presence of the matched and mismatched disturbances, attitude co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c509fb0b3c38171256d55fb6c9ce7fb
https://doi.org/10.1007/s12555-020-0215-1

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Validation of Multi-Year Galileo Orbits Using Satellite Laser Ranging

Autor: Nannan Guo, Bin Wang, Enzhe Tao, Kexin Xu, Xuhua Zhou

Publikováno v: Remote Sensing; Volume 13; Issue 22; Pages: 4634
Remote Sensing, Vol 13, Iss 4634, p 4634 (2021)

Satellite laser ranging (SLR) observations provide an independent validation of the global navigation satellite system (GNSS) orbits derived using microwave measurements. SLR residuals have also proven to be an important indicator of orbit radial acc

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A Hybrid ECOM Model for Solar Radiation Pressure Effect on GPS Reference Orbit Derived by Orbit Fitting Technique

Autor: Tzu-Pang Tseng

Publikováno v: Remote Sensing, Vol 13, Iss 4681, p 4681 (2021)
Remote Sensing; Volume 13; Issue 22; Pages: 4681

A hybrid ECOM (Empirical CODE Orbit Model) solar radiation pressure (SRP) model, which is termed ECOMC in this work, is proposed for global navigation satellite system (GNSS) orbit modeling. The ECOMC is mainly parameterized by both ECOM1 and ECOM2 m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b3eb210a1c8583c5fe397a8232e1d2f
https://www.mdpi.com/2072-4292/13/22/4681

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Rotation Parameters Estimation of Space Target Based on Orbit Modeling and Levenberg-Marquardt Optimization

Autor: Kangping Li, Tong Chen, Yan Yuan, Junling Wang

Publikováno v: 2021 IEEE International Conference on Electronic Technology, Communication and Information (ICETCI).

Inverse synthetic aperture radar (ISAR) imaging plays an important role in space target classification and recognition. For ISAR imaging of space target, the geometry model of space target orbit observation needs to be established before imaging, and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::42fa266bca701f7fe3fba750fb3d4f63
https://doi.org/10.1109/icetci53161.2021.9563565

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System-specific systematic errors in earth rotation parameters derived from GPS, GLONASS, and Galileo

Autor: Krzysztof Sośnica, Rolf Dach, Lars Prange, Grzegorz Bury, Radosław Zajdel

Publikováno v: Zajdel, Radoslaw; Sosnica, Krzysztof; Bury, Grzegorz; Dach, Rolf; Prange, Lars (2020). System-specific systematic errors in earth rotation parameters derived from GPS, GLONASS, and Galileo. GPS solutions, 24(3) Springer 10.1007/s10291-020-00989-w

The earth rotation parameters (ERPs) are time-variable global geodetic parameters with a purely geophysical origin. Theoretically, the estimates of these parameters should be independent of the satellite constellation used in GNSS processing. Nonethe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::11fd633dcce872411b0cab43857974e7
https://boris.unibe.ch/144191/2/Zajdel2020_Article_System-specificSystematicError.pdf

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LEO–BDS–GPS integrated precise orbit modeling using FengYun-3D, FengYun-3C onboard and ground observations

Autor: Xiangguang Meng, Wei Zhang, Xin Li, Keke Zhang, Qian Zhang, Xingxing Li, Yongqiang Yuan

Publikováno v: GPS Solutions. 24

The new FengYun-3 (FY-3) meteorological satellite, FengYun-3D (FY-3D), carries an enhanced version of the GNSS Occultation Sounder (GNOS) instrument with increased BDS and GPS tracking channels. These high-quality onboard BDS observations together wi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::545eeca9262be3af27b4b6adf122e212
https://doi.org/10.1007/s10291-020-0962-8

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