Results 251 to 260 of about 4,818 (307)

Towards a Global Scale Quantum Information Network: A Study Applied to Satellite-Enabled Distributed Quantum Computing. [PDF]

Entropy (Basel)
de Forges de Parny L, Paccard L, Bertrand M, Lazzarini L, Leloup V, Aymeric R, Blaise A, Molin S, Besancenot P, Laborde C, van den Bossche M.   +10 more
europepmc   +1 more source

Local cloud enhancement associated with urban morphology: evidence from observations and idealized large-eddy simulations. [PDF]

Nat Commun
Cui Y, Chen S, Xue L, Muñoz-Esparza D, Sauer JA, Hu L, Albertson JD, Li Q.   +7 more
europepmc   +1 more source

Design, Development, and Qualification of a Broadband Compact S-Band Antenna for a CubeSat Constellation. [PDF]

Sensors (Basel)
Sánchez-Sevilleja S, Poyatos D, Masa-Campos JL, Aragón VM, Rodríguez JA, Santiago A.   +5 more
europepmc   +1 more source

All-propulsion design of the drag-free and attitude control of the European satellite GOCE [PDF]

Acta Astronautica, 2009
This paper concerns the drag-free and attitude control (DFAC) of the European Gravity field and steady-state Ocean Circulation Explorer satellite (GOCE), during the science phase.
Enrico Canuto, Luca Massotti
exaly   +2 more sources

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Atmospheric drag on the satellite

Journal of Geophysical Research, 1957
The drag exerted on the satellite in its orbit arises partly from collisions with neutral air particles and partly from losses associated with the passage of a charged sphere through an ionized medium. It is found that the charged and neutral effects are comparable under the atmospheric conditions expected at an orbital altitude of 300 miles.
R. Jastrow, C. A. Pearse
openaire   +1 more source

The Drag-Free Satellite

AIAA Journal, 1964
A scientific earth satellite that is guided in a drag-free orbit by a shielded, free-falling proof mass has been proposed by a number of investigators. This paper examines the feasibility and some of the applications of this scheme. The control and guidance system is analyzed with respect to system performance and gas usage requirements.
openaire   +2 more sources

Satellite drag coefficients

Planetary and Space Science, 1965
Abstract The drag of artificial earth satellites is reconsidered in the light of recent studies of gas-surface interactions and atmospheric composition. Between heights of 140 and 400 km at times of low solar activity, or heights of 140 and 600 km at times of high solar activity, the drag coefficient is almost independent of height, and at present ...
openaire   +1 more source