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    A compact optical associative memory

    Burns, T.J. / Rogers, S.K. / Kabrisky, M. et al. | Tema Archiv | 1991
    A unique associative memory architecture is presented that combines the compact optical processing environment of a Fabry-Perot Confocal ...

    The infrared space observatory. Optical subsystem

    Singer, C. / Massoni, J.A. / Moßbacher, B. et al. | Tema Archiv | 1991
    optical for image quality and straylight) and on the other hand by dedicated elementary tests linked to operation in cryogenic environment ...

    Optical figure testing of prototype mirrors for JPL's precision segmented reflector (PSR) program

    Hochberg, E.B. | Tema Archiv | 1991
    shifting interferometer operating at 10.59 microns and laser metrology for measurement of piston and absolute radius of curvature. The optical ...

    NASA's geostationary earth observatory and its optical instruments

    Koczor, R.J. | Tema Archiv | 1991
    of his home planet. One platform is the Geostationary Earth Observatory, which will contain several optical instruments for remote sensing of ...

    Specifications for image stabilization systems

    Hilkert, J.M. / Bowen, M. / Wang, J. | Tema Archiv | 1991
    Motion of the image presented to an electro-optical imaging system blurs the incoming energy and degrades the systems ability to detect or ...

    Miniature signal processor for surveillance sensor applications

    Jacobi, W.J. / Jensen, P. / Teneketges, N.J. et al. | Tema Archiv | 1991
    A miniaturized low-power high-performance parallel processor optimized for space-based sensor systems has been developed. In particular ...

    Passive and active sensors for autonomous space applications

    Tchoryk, P. jun. / Gleichman, K. / Carmer, D. et al. | Tema Archiv | 1991
    , including RF-based, laser-based, and passive optical techniques. For each concept, a brief description of the sensor operating principles is ...

    A signal processor for space-based visible sensing

    Anderson, J.C. / Downs, G.S. / Trepagnier, P.C. | Tema Archiv | 1991
    An overview of the Signal Processor for the Spaced-Based Visible sensor system is presented. This signal processor, based on a 20 MHz ...

    Design of an imaging spectrometer for observing ocean color

    Weng Zhicheng / Chen Zhiyong / Cong Xiaojie | Tema Archiv | 1991
    The main parts of the imaging spectrometer for observing ocean color (so-called OCM system) are discussed; the scan subsystem, the pre ...

    Solacos: a diode-pumped Nd:YAG laser breadboard for coherent space communication system verification

    Pribil, K. / Johann, U. / Sontag, H. | Tema Archiv | 1991
    and advanced Nd:YAG transmitter technology. The aim is to build two engineering-level demonstration terminals for detailed evaluation of an ...

    Calibration procedures for the space vision system experiment

    MacLean, S.G. / Pinkney, H.F. | Tema Archiv | 1991

    Holiddo: an interferometer for space experiments

    Mary, J. / Bernard, y. / Lefaucheux, F. et al. | Tema Archiv | 1991
    adapted to the investigator's requirements. Optical characterization is made either by direct viewing or by interferometric holography imaging in ...

    3-D laser radar simulation for autonomous spacecraft landing

    Reiley, M.F. / Carmer, D.C. / Pont, W.F. | Tema Archiv | 1991
    in that there is evidence from Viking II data that the Martian terrain contains areas that are hazardous for landing. Depending on the ...

    Theoretical limits of dimensional stability for space structures

    Dolgin, B.P. / Moacanin, J. / O'Donnell, T. | Tema Archiv | 1991

    Particle image velocimetry experiments for the IML-I spaceflight

    Trolinger, J.D. / Lal, R.B. / Batra, A.K. et al. | Tema Archiv | 1991
    The first International Microgravity Laboratory (IML-1), scheduled for spaceflight in early 1992 includes a crystal-growth-from-solution ...

    Miniaturized, low-power parallel processor for space applications

    Jacobi, W.J. / Jensen, P. / Teneketges, N.J. et al. | Tema Archiv | 1991
    A miniaturized, low-power parallel processor for space applications is under development by Space Computer Corporation for DARPA's Advanced ...

    Analysis and testing of a soft actuation system for segmented refletor articulation and isolation

    Jandura, L. / Agronin, M.L. | Tema Archiv | 1991
    Segmented reflectors have been proposed for space-based applications such as optical communication and large-diameter telescopes. An ...

    Discrete piezoelectric sensors and actuators for active control of two-dimensional spacecraft components

    Bayer, J.I. / Varadan, V.V. / Varadan, V.K. | Tema Archiv | 1991
    This paper describes research into the use of discrete piezoelectric sensors and actuators for active modal control of flexible two ...

    Intelligent, variable resolution laser scanner for the space vision system

    Blais, F. / Rioux, M. / Maclean, S.G. | Tema Archiv | 1991
    processing and an optical interference filter. Very fast tracking of the object is implemented using Lissajous type scanning figures. ...

    Characteristics of a dynamic holographic sensor for shape control of a large reflector

    Welch, S.S. / Cox, D.E. | Tema Archiv | 1991
    In this paper a conceptual design is presented for a dynamic distributed holographic sensor for measuring the surface distortion of large ...

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