1–20 von 466 Ergebnissen
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    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 ...

    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 ...

    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 ...

    A fluorescence-based fiber optic temperature sensor for aerospace applications

    Tilstra, S.D. | Tema Archiv | 1991
    an optical temperature sensor designed for aircraft and engine environments based on the fluorescent time rate of decay (TRD) principle. The ...

    Design and development of the zeolite crystal growth (ZCG) facility

    Fiske, M.R. | Tema Archiv | 1991
    large crystals. To this end, the Battelle Advanced Maeterials Center for the Commercial Development of Space (CCDS) is funding the development ...

    Three dimensional vision - requirements and applications in a space environment

    Noseworthy, J.R. / Gerhardt, L.A. | Tema Archiv | 1991
    vision system designed for CIRSSE which uses a controllable subset of five cameras, programmable structured light patterns, and sophisticated ...

    Role of computer graphics in space telerobotics: Review and predictive displays

    Bejczy, A.K. / Venema, S. / Kim, W.S. | Tema Archiv | 1991
    workspace design including viewing conditions, specific workspace analysis for given tasks in a fixed setting, operator training, and reduction of ...

    Large zeolites - why and how to grow in space

    Sacco, A. jun. | Tema Archiv | 1991

    A flight experiment to investigate microgravity effects on solidification phenomena of selected material

    Maag, C.R. / Hansen, P.A. | Tema Archiv | 1991
    samples has been manifested for flight on STS-42. The first flight of the furnace assembly will a) investigate the p-n junction characteristics ...

    Crystal separation from mother solution and conservation under microgravity conditions using inert liquid

    Regel, L.L. / Vedernikov, A.A. / Queeckers, P. et al. | Tema Archiv | 1991
    microgravity is investigated. The goal to be reached is to propose an efficient and simple system. This method has to be applicable for an automatic ...

    Compact spaceflight solution crystal-growth system

    Trolinger, J.D. / Lal, R. / Vikram, C. et al. | Tema Archiv | 1991

    Crystal growth by solute diffusion in earth-orbit

    Lind, M.D. / Nielsen, K.F. | Tema Archiv | 1991

    In-situ observation of crystal growth in microgravity by high resolution microscopies

    Katsuo Tsukamoto / Kazuo Onuma | Tema Archiv | 1991
    High resolution in-situ observation methods were developed for the investigation of crystal growth mechanisms from solution phases. Crystal ...

    NASA microgravity materials science program

    Sokolowski, R.S. | Tema Archiv | 1991

    Commercial crystal growth in space

    Wilcox, W.R. | Tema Archiv | 1991
    NASA's Centers for the Commercial Development of Space, many private companies, and government laboratories. Projects range from growth of large ...

    Measuring residual accelerations in the spacelab environment

    Witherow, W.K. | Tema Archiv | 1991
    orbiter can provide long periods of microgravity for performing experiments. However, residual gravitational accelerations still remain. In May ...

    An autonomous system for cross-country navigation

    Stentz, A. / Brunitt, B.L. / Coulter, R.C. et al. | Tema Archiv | 1992
    Autonomous cross-country navigation is essential for outdoor robots moving about in unstructured environments. Most existing systems use ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Adaptive position estimation for an automated guided vehicle

    Lapin, B.C. | Tema Archiv | 1992
    for an automated guided vehicle (AGV) to overcome these complexities. The scheme's purpose is to minimize the position error - the difference ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Dynamic trajectory planning for a cross-country navigator

    Brumitt, B.L. / Coulter, R.C. / Stentz, A. | Tema Archiv | 1992
    were achieved when only checking for obstacles. ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham