1–20 von 348 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 ...

    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 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 ...

    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

    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 ...

    Fiber optic rotation sensor for long lifetime space missions

    Dorsky, L. / Bartman, R. / Lehman, D. et al. | Tema Archiv | 1992
    are intended to eventually serve as replacements for spinning mass systems and ring laser gyros in applications that place a premium on long ...

    Fiber optic gyroscopes for vehicle navigation systems

    Kumagi, T. / Soekawa, H. / Yuhara, T. et al. | Tema Archiv | 1993
    Fiber optic gyroscopes (FOGs) have been developed for vehicle navigation systems and are used in TOYOTA Motor Corporation models MARKII ...

    Signal preprocessing and parameter estimation for aircraft flight flutter test

    Zeng, Qinghua / Zhang, Lingmi / Zhang, Chunning | Tema Archiv | 1993
    and parameter estimation for the flight flutter test data analysis are discussed in the paper. The main troubles of the data analysis lie in ...

    High reflectance coatings for space applications in the EUV

    Keski-Kuba, R.A.M. / Gum, J.S. / Osantowski, J.F. et al. | Tema Archiv | 1993
    Advances in optical coating and materials technology have made possible the development of instruments with substantially improved ...

    Comparison of chirped FM/CW and chirped AM/CW fiber optic position sensors for aerospace applications

    Newman, L.A. | Tema Archiv | 1993
    During the past five years, fiber optic position sensing for aerospace applications based on high bandwidth chirped modulation of laser ...