1–20 von 256 Ergebnissen
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    Viscoelastic strain-energy hinge for solar array deployment

    Kwak, M.K. / Ra, Wan-Kyu / Yoon, Kwang-Joon | Tema Archiv | 1999
    This paper is concerned with the viscoelastic strain-energy hinge for solar array deployment. The original strain-energy hinge proposed by ...

    Vibration control of a gossamer toroidal structure using smart material actuators and sensors

    Jha, A.K. / Inman, D.J. | Tema Archiv | 2003
    Gossamer or inflatable structures have been a subject of renewed interest for space applications because of their lightweight, on-orbit ...

    Vibration control of a flexible beam through a smart structure concept

    Goud, A.P. / Umapathy, M. | Tema Archiv | 1998
    Active control has become important in structural systems as an efficient tool for vibration suppression. A cantilever beam has been chosen ...

    Vibration and shape control of hinged light structures using electromagnetic forces

    Matsuzaki, Y. / Miyachi, S. / Sasaki, T. | Tema Archiv | 2003
    This paper describes a new electromagnetic device for vibration control of a light-weighted deployable/retractable structure which consists ...

    Vehicular applications of smart material systems

    Leo, D.J. / Weddle, C. / Naganathan, N. et al. | Tema Archiv | 1998
    The results of an initial investigation in the use of smart material system for automobiles are presented. For this work, a smart material ...

    Using physical models to improve thermal IR detection of buried mines

    Chen, D.H. / Sendur, I.K. / Liao, W.J. et al. | Tema Archiv | 2001
    to better detection. Several techniques for exploiting this information are described. The first approach involves ML estimation of model ...

    Using 0.8 mu m DMILL technology to realize an encoder/decoder for optical transmission at 550 Mbps

    Claus, H. / Cabuy, F. / Roef, P. | Tema Archiv | 1999
    data is digitized at the antennae. An optical harness distributes clocking data to the antennae to synchronize the digitizing of the data, and ...

    Use of high-frequency seismic waves for the detection of buried land mines

    Scroot, W.R. jun. / Lee, S.H. / Larson, G.D. et al. | Tema Archiv | 2001
    with a non-surface-contacting, radar-based displacement sensor for the detection of buried landmines. Initial work on this system investigated ...

    Urban gunshot and sniper location: technologies and demonstration results

    Lewis, G. / Shaw, S. / Crowe, M. et al. | Tema Archiv | 2002
    -optic sensors. To date, no one sensor technology has proven totally effective for a complete solution. PSI has a muzzle blast detection and ...

    Ultralightweight silicon carbide infrared cryogenic telescope

    Anapol, M. / Philippon, R. / Tucker, T. et al. | Tema Archiv | 1995
    silicon carbide telescope is an extremely attractive technology which offers the lightweight and stiffness features of beryllium, the optical ...

    Transparent spinel development

    Patterson, M. / Caiazza, J.E. / Roy, D.W. | Tema Archiv | 2000
    The optical and mechanical properties of polycrystalline MgAl2O4 spinel make this material of interest for ...

    Transparent ceramics for armor and EM window applications

    Patel, P.J. / Gilde, G.A. / Dehmer, P.G. et al. | Tema Archiv | 2000
    for a variety of applications. Future combat and non-combat environments will require lightweight, threat adjustable, multifunctional, and ...

    Thruster-plume-induced contamination measurements from the PIC and SPIFEX flight experiments

    Soares, C.E. / Barsamian, H. / Rauer, S. | Tema Archiv | 2002
    developed for the International Space Station (ISS). ...

    Thin film coatings with variable emittance

    Larsson, A.L. / Niklasson, G. / Stenmark, L. | Tema Archiv | 1999

    The universal multizone crystallizator (UMC) furnance: an international cooperative agreement

    Watring, D.A. / Su, C.H. / Gillies, D. et al. | Tema Archiv | 1996
    The universal multizone crystallizator (UMC) has been developed and patented by a team at the University of Miskolc for crystal growth of ...

    The SOFIA aircraft and its modification

    Kunz, N. | Tema Archiv | 2003
    SOFIA Telescope. For completeness, this paper also provides a brief overview of the SOFIA project including the joint project arrangement ...

    Thermographic detection and quantitative characterization of corrosion by application of thermal line source

    Cramer, K.E. / Winfree, W.P. | Tema Archiv | 1998
    designed to determine the spatial resolution of the system. A steady state solution for the induced thermal change in the plate is presented. When ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Thermal investigation of real aircraft components

    Dal Toe, S. / Bison, P.G. / Marinetti, S. et al. | Tema Archiv | 2001
    Composite materials are prone to various damages, particularly if used for aeronautic fuselage components. These parts are increasingly ...

    Thermal and mechanical performance of a carbon-carbon composite spacecraft radiator

    Kuhn, J.L. / Benner, S.M. / Butler, C.D. et al. | Tema Archiv | 1999
    weight. However, the high cost and long lead-time for carbon-carbon manufacture have limited their widespread usage. Consequently, an informal ...