1–20 of 299 hits
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    Wavelets for ultrasonic echo identification in aircraft fuel tanks

    Sadok, M. | Tema Archive | 2002
    to gauge fuel in commercial and military aircraft. Ultrasonics are among other techniques that were tested for such purposes. Generally, in ...

    Viscoelastic strain-energy hinge for solar array deployment

    Kwak, M.K. / Ra, Wan-Kyu / Yoon, Kwang-Joon | Tema Archive | 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 Archive | 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 Archive | 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 Archive | 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 Archive | 1998
    The results of an initial investigation in the use of smart material system for automobiles are presented. For this work, a smart material ...

    Vehicle size and orientation estimation using geometric fitting

    Carlsson, C. / Millnert, M. | Tema Archive | 2001
    Over the years imaging laser radar systems have been developed for military and civilian applications. Among the applications we note ...

    Using physical models to improve thermal IR detection of buried mines

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

    Unattended ground sensor based on fiber Bragg grating technology

    Zhang, Yan / Li, Sanguo / Yin, Zhifan et al. | Tema Archive | 2005
    In this paper we have demonstrated an unattended seismic wave sensor based on the optical fiber Bragg grating (FBG) sensing technology. The ...

    Ultralightweight silicon carbide infrared cryogenic telescope

    Anapol, M. / Philippon, R. / Tucker, T. et al. | Tema Archive | 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 Archive | 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 Archive | 2000
    for a variety of applications. Future combat and non-combat environments will require lightweight, threat adjustable, multifunctional, and ...

    Toward dynamic model-based prognostics for transmission gears

    Wang, Wenyi | Tema Archive | 2002
    This paper presents a novel methodology for the diagnosis and prognosis of crucial gear faults, such as gear tooth fatigue cracking ...

    Time-frequency signatures based on a fuzzy-cluster representation as a means for automatic classification of targets buried underground

    Strifors, H.C. / Abrahamson, S. / Gustafsson, A. et al. | Tema Archive | 1998
    features in the 2D time-frequency domain are viewed as the target signatures. For target identification, a signature representation should display ...

    Time-domain metal detector and GPR data processing and fusion for landmine detection

    Gao, Ping / Collins, L.M. | Tema Archive | 2000
    For the landmine detection problem, a detector that provides a high probability of detection and a low probability of false alarm is needed ...

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

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

    Three-dimensional anthropometric techniques applied to the fabrication of burn masks and the quantification of wound healing

    Whitestone, J.J. / Geisen, G.R. / McQuiston, B.K. | Tema Archive | 1997
    for successful mission performance of weapon systems, including cockpits, protective equipment, and clothing. The application of human body ...

    Thin film coatings with variable emittance

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

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

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

    The steady state response calculation and damping vibration analysis of shrouded blades

    Ren, Yungsheng / Zhu, Demao | Tema Archive | 1994
    . The related computer programs are written in fortran 77. The numeric analysis for the blades is completed. ...