1–8 of 8 hits
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    High data-rate optical communication payload for CubeSats

    Free access
    Rödiger, Benjamin / Menninger, Christian / Fuchs, Christian et al. | German Aerospace Center (DLR) | 2020
    version of DLRs optical communication payload OSIRIS for small LEO satellites. DLRs Institute of Communications and Navigation has developed the ...

    Laser Guide Stars for Optical Free-Space Communications

    Free access
    Mata Calvo, Ramon / Bonaccini Calia, Domenico / Barrios, Ricardo et al. | German Aerospace Center (DLR) | 2017
    ground to space optical communications. Atmospheric turbulence causes strong signal fluctuations in the uplink, due to scintillation and beam ...
    Publisher: SPIE
    Keywords: Free-Space Optical Communications

    Application of Proximal Alternating Linearized Minimization (PALM) and inertial PALM to dynamic 3D CT

    Free access
    Djurabekova, N / Goldberg, A / Hauptmann, A et al. | BASE | 2019
    The foot and ankle is a complex structure consisting of 28 bones and 30 joints that changes from being completely mobile when positioning ...
    Publisher: SPIE , University College London: UCL Discovery
    Keywords: optical flow regularisation

    Dense and accurate motion and strain estimation in high resolution speckle images using an image-adaptive approach

    Free access
    Cofaru, Corneliu / Philips, Wilfried / Van Paepegem, Wim | BASE | 2011
    information present. Subsequently the Newton-Raphson digital image correlation technique is applied to calculate the corresponding motion for each ...
    Publisher: SPIE, the International Society for Optical Engineering , Ghent University Academic Bibliography
    Keywords: Technology and Engineering , OPTICAL-FLOW

    Pre-correction Adaptive Optics performance of a 10 km Laser Link

    Free access
    Saathof, Rudolf / den Breeje, Remco / Klop, Wimar et al. | German Aerospace Center (DLR) | 2019
    For the next generation of very high throughput communication satellites, free-space optical (FSO) communication between ground stations ...
    Keywords: free space optical communications , Optical satellite communication

    Demonstration of an FSO/RF hybrid communication system on aeronautical and space applications

    Free access
    Rödiger, Benjamin / Ginthör, David / Pacheco, Jorge et al. | German Aerospace Center (DLR) | 2020
    , due to the technical improvement of modern sensor systems. The resulting demands for higher data rates on airborne and space platforms ...

    Creating the first Bose-Einstein condensate in space

    Free access
    Lachmann, M.D. / Ahlers, H. / Becker, D. et al. | BASE | 2018
    source for such an interferometric measurement. The findings of the mission will contribute to the NASA CAL project and BECCAL (NASA and DLR ...
    Publisher: Bellingham, WA : SPIE - International Society for Optical Engineering , Institutional Repository of Leibniz Universität Hannover

    Additive manufacturing of patient-specific tubular continuum manipulators

    Free access
    Amanov, E. / Nguyen, T.-D. / Burgner-Kahrs, Jessica | BASE | 2015
    to now the only material used for the component tubes of those manipulators is NiTi, a superelastic shape-memory alloy of nickel and titan ...
    Publisher: Bellingham, WA : S P I E - International Society for Optical Engineering , Institutional Repository of Leibniz Universität Hannover