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pro vyhledávání: '"Joseph Moerschell"'
Publikováno v:
Optomechatronic Systems III.
The design, development and test of a fine pointing assembly (FPA) stabilising the line of sight of an optical free space data communication link between satellites is presented. The FPA is fast enough to compensate for vibrational perturbations of t
Publikováno v:
SPIE Proceedings.
SOFIA is a 2.5-m telescope to be carried on a special Boeing 747 for airborne observations at about 15'000 m. The paper describes the main features of the secondary mirror unit. The SOFIA secondary mirror needs active control for alignment along five