Results 161 to 170 of about 26,090 (296)

Neustrelitz Total Electron Content Model for Galileo Performance: A Position Domain Analysis. [PDF]

Sensors (Basel), 2023
Gioia C, Angrisano A, Gaglione S.
europepmc   +1 more source

The Potentially Hazardous Asteroid 2000 SG344

Open Astronomy, 2016
We computed impact solutions for the potentially dangerous asteroid 2000 SG344, based on 31 optical observations from 1999 May 15.20482 UTC to 2010 October 29 03.60723 UTC.
Wlodarczyk I.
doaj   +1 more source

Active Control Loop of the BOROWIEC SLR Space Debris Tracking System. [PDF]

Sensors (Basel), 2022
Suchodolski T.
europepmc   +1 more source

Software Development of High-Precision Ephemerides of Solar System [PDF]

Journal of Astronomy and Space Sciences, 1995
We solved n-body problem about 9 plants, moon, and 4 minor planets with relativistic effect related to the basic equation of motion of the solar system. Perturbations including figure potential of the earth and the moon and solid earth tidal effect were ...
Jong-Seob Shin, Young-Shoek Ahn, Pil-Ho Park, Eun-Kwang Park, Jong-Uk Park   +4 more
doaj  

Characterization of the Ability of Low-Cost GNSS Receiver to Detect Spoofing Using Clock Bias. [PDF]

Sensors (Basel), 2023
Truong V, Vervisch-Picois A, Rubio Hernan J, Samama N.   +3 more
europepmc   +1 more source

Elemente und Ephemeride des Cometene 1881 [PDF]

, 1881
H. Oppenheim
openalex   +1 more source

Accuracy Investigation of PPP Method Versus Relative Positioning Using Different Satellite Ephemerides Products Near/Under Forest Environment

, 2016
In recent years, due to the increase in providers of orbit and clock corrections of satellites for data evaluation in real-time and post-processing the method of Precise Point Positioning (PPP) using measurements of Global Navigation Satellite System ...
T. Öcalan, B. Erdoğan, N. Tunalioglu, U. M. Durdag   +3 more
semanticscholar   +1 more source

A Low Earth Orbit Satellite-Orbit Extrapolation Method Based on Multi-Satellite Ephemeris Coordination and Multi-Stream Fractional Autoregressive Integrated Moving Average

Aerospace
The low Earth orbit (LEO) satellite internet network (LEO-SIN) has become a heated issue for the next generation of mobile communications, serving as a crucial means to achieve global wide-area broadband coverage and, especially, mobile phone directly to
Wenliang Lin, Jian Yi, Tong Wang, Ke Wang, Zexi Huang, Zhongliang Deng, Yang Liu, Yicheng Liao, Heng Kang, Zeyang Liu, Junyu Zhang   +10 more
doaj   +1 more source

The history of pertussis: from an ancient scourge to a contemporary health burden. [PDF]

J Prev Med Hyg, 2023
Galassi FM, Varotto E, Martini M.
europepmc   +1 more source

The high optical brightness of the BlueWalker 3 satellite. [PDF]

Nature, 2023
Nandakumar S, Eggl S, Tregloan-Reed J, Adam C, Anderson-Baldwin J, Bannister MT, Battle A, Benkhaldoun Z, Campbell T, Colque JP, Damke G, Plauchu Frayn I, Ghachoui M, Guillen PF, Kaeouach AE, Krantz HR, Langbroek M, Rattenbury N, Reddy V, Ridden-Harper R, Young B, Unda-Sanzana E, Watson AM, Walker CE, Barentine JC, Benvenuti P, Di Vruno F, Peel MW, Rawls ML, Bassa C, Flores-Quintana C, García P, Kim S, Longa-Peña P, Ortiz E, Otarola Á, Romero-Colmenares M, Sanhueza P, Siringo G, Soto M.   +39 more
europepmc   +1 more source