LASER SIGNAL TRANSMISSION BETWEEN A SATELLITE AND AN EARTH-BASED RECEIVING STATION

LASER SIGNAL TRANSMISSION BETWEEN A SATELLITE AND AN EARTH-BASED RECEIVING STATION

A method for transmitting data by means of laser signals from a satellite (2) orbiting the Earth to an Earth-based receiving station (1) comprises varying a pointing direction of the receiving station, firstly to pinpoint a current position of the satellite and then to reach the satellite. The metho...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: POULENARD, Sylvain, JULLIEN, Alexandre, CORET, Laurent
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Beschreibung
Zusammenfassung:A method for transmitting data by means of laser signals from a satellite (2) orbiting the Earth to an Earth-based receiving station (1) comprises varying a pointing direction of the receiving station, firstly to pinpoint a current position of the satellite and then to reach the satellite. The method uses satellite ephemeris data and does not require an acquisition and tracking system with closed loop control inside the receiving station.