1–20 of 356 hits
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    3-layered 3D flex based MCM: electrical characterization and reliability issues

    Morrison, W.B. / Railkar, T.A. / Malshe, A.P. et al. | Tema Archive | 1999
    Polyimide flex is an accepted substrate material for commercial and specialized electronic packaging applications. The advantages of using ...

    20K-cryogenic-temperature satellite materials outgassing facility for ASTM-E1559 standard

    Bertrand, W.T. / Prebola, J.L. / Wood, B.E. | Tema Archive | 2002
    This paper describes the development of a facility for material outgassing measurements using quartz crystal microbalances (QCMs) operating ...

    1000 X difference between current displays and capability of human visual system: payoff potential for affordable defense systems

    Hopper, D.G. | Tema Archive | 2000
    Displays were invented just in the last century. The human visual system evolved over millions of years. The disparity between the natural ...

    Acoustic/infrasonic rocket engine signatures

    Tenney, S.M. / Noble, J.M. / Whitaker, R.W. et al. | Tema Archive | 2003
    ranges for the types of missile signatures measured will be predicted based on atmospheric modeling. As part of an experiment conducted by ARL ...

    Acoustic monitoring of first responder's physiology for health and performance surveillance

    Scanlon, M.V. | Tema Archive | 2002
    timing fluctuations derived from the interval between two adjacent beats. The Lomb periodogram is optimized for non-uniformly sampled data, and ...

    Acoustic target tracking and target identification-recent results

    Succi, G. / Pedersen, T.K. / Gampert, R. et al. | Tema Archive | 1999
    classification is done for certain types of vehicles. This paper discusses issues of neural network structure and training and ways to improve the ...

    Acquisition, tracking and pointing system for self-protection applications

    Hammer, S.J. / Stockum, L.A. / Chesser, D.E. et al. | Tema Archive | 1998
    rangefinding and designating incoming projectile and missile threats within a 0.5 second timeline. The demonstration fire control system has a ...

    Active control studies of structurally transmitted engine vibration on commercial airplanes

    White, J.L. / Shipley, S.A. / Yantis, T.F. | Tema Archive | 1994
    vibration transmission. The compliance substructuring approach is demonstrated as a tool to evaluate various active control parameters. The system ...

    Active periodic struts for gearbox support system

    Asiri, S. / Baz, A.M. / Pines, D.J. | Tema Archive | 2004
    Active periodic structures exhibit unique dynamic characteristics that make them act as tunable mechanical filters for wave propagation. As ...

    Active sensor wave propagation health monitoring of beam and plate structures

    Giurgiutiu, V. / Bao, Jing-Jing / Wei, Zhao | Tema Archive | 2001
    Active sensor wave propagation technique is a relatively new method for in-situ nondestructive evaluation (NDE). Elastic waves propagating ...

    Active structural acoustic control: numerical modeling, robust controller design and experimental validation

    Deuble, F. / Hofmann, C. / Kroplin, B. et al. | Tema Archive | 2002
    microphones is investigated as an approach to this problem. For this a generic experiment has been set up. One objective of the work is to find and ...

    Actuator development for a flapping microrobotic microaerial vehicle

    Cox, A. / Garcia, E. / Goldfarb, M. | Tema Archive | 1998
    . This allows for long distance flights that require little energy. The complex dynamics of the device involves not only the mechanics of the ...

    Adaption of commercial glass panels to upgrade the cockpit of the P-3 aircraft

    Seinfeld, R.D. / Herman, R.P. | Tema Archive | 2000
    information for both pilot and copilot. This paper discusses the challenges of using commercial glass in such an application. The aircraft environment ...

    Adavanced laser-based device for motor vehicle lane position monitoring and steering assistance

    Bachalo, W.D. / Inenaga, A. / Schuler, C. | Tema Archive | 1995
    , used as a research tool to monitor driving patterns, be required equipment for those previously convicted of driving under the influence, or ...

    Addressing fiber optic sensors limitations for aircraft applications

    Mrad, N. | Tema Archive | 2007
    problems within the aerospace community. Sensors with increased networking capability are seen to constitute the nervous system for any envisaged ...

    Adsorption coefficients for TNT on soil and clay minerals

    Rivera, R. / Pabon, J. / Perez, O. et al. | Tema Archive | 2007
    fractions were separated from the other soil components by centrifugation. Using the hydrometer method the particle size distribution for the soil ...

    Aeroelastic control of a smart composite plate with delaminations

    Nam, Changho / Chattopadhyay, A. / Kim, Youdan | Tema Archive | 1999
    designed to enhance the dynamic stability of the delaminated composite wing. The refined higher order theory for analyzing an adaptive composite ...

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

    Maag, C.R. / Hansen, P.A. | Tema Archive | 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 ...

    A fluorescence-based fiber optic temperature sensor for aerospace applications

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

    Air vehicle integration issues and considerations for CLAS successful. implementation

    Lockyer, A.J. / Alt, K.H. / Kudva, J.N. et al. | Tema Archive | 2001
    solved for final technology inclusion in an operational air-vehicle. Presented are some key results from the Air Force Research Laboratory's ...