41–60 von 347 Ergebnissen
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    Structural health monitoring of composites using integrated ultrasonic transducers

    Kobayashi, M. / Wu, K.T. / Song, L. et al. | Tema Archiv | 2008
    Two types of ultrasonic sensors are presented for structural health monitoring (SHM) and non-destructive testing (NDT) of graphite/epoxy ...

    Structural health management for aging aircraft

    Ikegami, R. / Haugse, E.D. | Tema Archiv | 2001
    An effective structural health management (SHM) system can be a useful tool for making aircraft fleet management decisions ranging from ...

    Structural dynamic health monitoring of adaptive CFRP-structures

    Kaiser, S. / Melcher, J. / Breitbach, E. et al. | Tema Archiv | 1999
    The DLR Institute of Structural Mechanics is engaged in the construction and optimization of adaptive structures for aerospace and ...

    Stochastic simulation of ocean waves and their effect on microwave scattering

    Jean-Pierre, A. / Pierson, W.J. / Groves, G.W. | Tema Archiv | 1999
    components for use in studies of radar sea scattering. The effects of Monte Carlo simulations of linear and nonlinear waves on radar backscatter from ...

    Stochastic search and graph techniques for MCM path planning

    Piatko, C.D. / Diehl, C.P. / McNamee, P. et al. | Tema Archiv | 2002
    We have been developing path planning techniques to look for paths that balance the utility and risk associated with different routes ...

    Statistical signal processing for detection of buried landmines using quadrupole resonance

    Feng Liu / Tantum, S.L. / Collins, L.M. et al. | Tema Archiv | 2000
    for TNT, and therefore the signal-to-noise ratio must be high for extracting the QR response. Further, the frequency at which the radiation ...

    Statistical fusion of GPR and EMI data

    Weisenseel, R.A. / Karl, W.C. / Castanon, D.A. et al. | Tema Archiv | 1999
    In this paper, we develop a statistical detection system exploiting sensor fusion for the detection of plastic A/P mines. We design and ...

    Spatio-temporal wavelets and tracking in noisy environments

    Mujica, F. / Murenzi, R. / Smith, M.J.T. | Tema Archiv | 1998
    assumed to be obtained from an optical sensor mounted on the interceptor missile, where the goal of the interceptor is to neutralize the target ...

    Spatial-temporal statistical approach to command and control problems in battle-space digitization

    Wendt, D.A. / Cressie, N. / Johannesson, G. | Tema Archiv | 2001
    There are considerable difficulties in the integration, visualization, and overall management of battle-space information for the purpose ...

    Spatial modeling of occlusion patterns applied to the detection of surface-laid mines

    Lundberg, M.P. / Brown, C.L. / Uppsall, M.S. | Tema Archiv | 2004

    Space processing of biopolymer/metal composites for NLO applications

    Trantolo, D.J. / Mogul, M.G. / Wise, D.L. et al. | Tema Archiv | 1996
    optical materials). The authors have previously demonstrated the rationale for orienting biopolymers, materials with known supramolecular ...

    Space environmental effects on colored marker coatings and anodizes

    Kamenetzky, R.R. / Finckenor, M.M. / Vaughn, J.A. | Tema Archiv | 1999
    ultraviolet radiation and approximately 1 x 1021 atoms/cm2 of atomic oxygen in vacuum. Optical property measurements before and ...
    Verlag: Society for the Advancement of Material and Process Engineering (SAMPE) , Covina

    Space durable polymeric films: advanced materials for inflatable structures and thermal control applications

    Schuler, P. / Haghighat, R. | Tema Archiv | 1999
    excellent VUV stability and radiation resistance in ground based simulation tests. Two applications for these films include large inflatable ...
    Verlag: Society for the Advancement of Material and Process Engineering (SAMPE) , Covina

    Sound and vibration control tests of Composite panel using piezoelectric sensors and actuators

    Takahashi, K. / Bansaku, K. / Sanda, T. et al. | Tema Archiv | 2001
    We have carried out tests for the sound and vibration control of the CFRP square panel. 500 Hz bandwidth noise through two speakers is ...

    Solid particle erosion performance of a new ultradurable AR for silicon

    Clark, C.C. | Tema Archiv | 2001
    protective or substrates must become more durable. For MWIR only systems it is logical to use silicon as a window or dome material as the natural ...

    Solar absorption of the FEP samples returned from the HST Servicing Missions

    He, C. / Townsend, J.A. | Tema Archiv | 1998
    Missions (SMs), was measured to assess the effect of the space environment on the optical properties of the material. The solar absorptance of the ...
    Verlag: Society for the Advancement of Material and Process Engineering (SAMPE) , Covina

    Soil moisture and electrical conductivity prediction and their implication for landmine detection technologies

    Katsube, T.J. / Keating, P.K. / McNairn, H. et al. | Tema Archiv | 2004
    Physical properties, such as soil moisture, magnetic susceptibility and electrical conductivity (EC) are sources of signal interference for ...

    Smart wide-area imaging sensor system (SWISS)

    Kress, K.P. / Dittrich, K. / Guse, G. | Tema Archiv | 2001
    For some structural components conventional methods of loads and usage monitoring, supplemented by on ground NDT measurements to detect ...

    Smart suspension systems for bridge-friendly vehicles

    Chen, Yonghong / Tan, C.A. / Bergman, L.A. et al. | Tema Archiv | 2002
    traversing a bridge are examined in order to develop various designs of smart suspension systems for bridge-friendly vehicles. The bridge-vehicle ...

    Smart materials for turbomachinery quieting

    Jonson, M.L. / Lysak, P.D. / Willits, S.M. | Tema Archiv | 2000
    materials for quieting turbomachinery. The team is composed of representatives from Pennsylvania State University, General Dynamics Electric Boat ...