Device and method for aligning an optical emitter and receiver beam in satellite connections

The method involves an extra step involving the combination of a detector error signal with a control parameter, which is performed by an additional summer arrangement whose output parameter acts on a pre-hold unit. The detector error signal can also act via a fine alignment on a second summer arran...

Ausführliche Beschreibung

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Hauptverfasser: FISCHER, EDGAR, MAERKI, ANDREAS EL' ETH
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The method involves an extra step involving the combination of a detector error signal with a control parameter, which is performed by an additional summer arrangement whose output parameter acts on a pre-hold unit. The detector error signal can also act via a fine alignment on a second summer arrangement as a fine adjustment angle. The error signal acts as a control parameter for the pre-hold angle and/or the coarse adjustment angle. The fine adjustment angle also acts simultaneously upon the first summer arrangement. The alignment and maintenance of the link are achieved iteratively using the measured parameters.