1–20 von 514 Ergebnissen
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    Research on the Support and Gravitational Deformation of Large Aperture Primary Mirror of Space Telescopes

    Peng, Yang-Lin / Dai, Yi-Fan / Chen, Shan-Yong | Tema Archiv | 2012
    telescopes are used in weightless environments, which is different from the ground environment for optical machining and testing. Therefore the ...

    Defect free spinel ceramics of high strength and high transparency

    Sepulveda, Juan L. / Loutfy, Raouf O. / Chang, Sekyung | Tema Archiv | 2009
    for armored vehicles, aircrafts, and missiles. The novel spinel material exhibits high optical and IR transparency in the 0.3 - 5.5 my m ...
    Verlag: American Ceramic Society (ACS) , Westerville

    Microstructural examination and quasi-static property determination of sintered armor grade SiC

    Demirbas, Memduh V. / Haber, Richard A. / Brennan, Raymond E. | Tema Archiv | 2009
    in a sintered armor SiC tile. A set of several tiles had been previously scanned by ultrasound and one tile from that set was selected for ...
    Verlag: American Ceramic Society (ACS) , Westerville

    Instrumented hertzian indentation study of two commerical silicon carbides

    Miller, H.T. / McCuiston, R.C. / LaSalvia, J.C. | Tema Archiv | 2009
    ballistic threats. Pressureless-sintered SiCs are attractive alternatives to hot-pressed variants for some particular applications based upon cost ...
    Verlag: American Ceramic Society (ACS) , Westerville

    Optical SAR processor for space applications

    Bourqui, P. / Harnisch, B. / Marchese, L. et al. | Tema Archiv | 2008
    performed for the analysis of SAR image generation using an optical processor and describes the set-up of an optical SAR processor prototype ...

    Distributed pheromone-based swarming control of unmanned air and ground vehicles for RSTA

    Sauter, J.A. / Mathews, R.S. / Yinger, A. et al. | Tema Archiv | 2008
    describes lessons learned and the next steps for this promising technology. ...

    Antimony-based superlattices for high-performance infrared imagers

    Walther, M. / Rehm, R. / Schmitz, J. et al. | Tema Archiv | 2008
    InAs/GaSb short-period superlattices (SL) for the fabrication of mono- and bispectral thermal imaging systems in the mid-wavelength ...

    Embedded formats for airport mapping databases

    Pschierer, C. / Schiefele, J. | Tema Archiv | 2008
    A new, open specification for embedded interchange formats for airport mapping databases has been established in the ARINC 816 document ...

    A MEMS-based infrared emitter array for combat identification

    San, Haisheng / Chen, Xuyuan / Xu, Peng et al. | Tema Archiv | 2008
    decreased. In experiment, the surface temperature distribution of IR emitter arrays were measured by thermal imaging system, and the optical ...

    Considerations on symbology, data requirements, and operational concept for integral NOTAM visualization on airport moving map displays

    Vernaleken, C. / Urvoy, C. / Klingauf, U. | Tema Archiv | 2008
    open even if contrary NOTAM information exists on paper elsewhere in the cockpit. This calls for an integrated representation of PIB/NOTAM and ...

    Damage quantification using attenuation based signal processing for health monitoring in carbon fiber composites

    Reynolds, W. / Chattopadhyay, A. | Tema Archiv | 2008
    conditions. In the current research, a structural health monitoring (SHM) and prognosis framework is being developed for heterogeneous material ...

    Polarization measurements of automobile paints

    Goldstein, D.H. | Tema Archiv | 2008
    micrometer. Depolarization indices for all polarimetric measurements were calculated. ...

    Modeling and characterization of VCSEL-based avionics full-duplex ethernet (AFDX) gigabit links

    Ly, K.S. / Rissons, A. / Gambardella, E. et al. | Tema Archiv | 2008
    very attractive for high speed and short distances data communication links through optical fibers. Weight saving and Electromagnetic ...

    Detection of disbonds in a honeycomb composite structure using guided waves

    Baid, H. / Banerjee, S. / Joshi, S. et al. | Tema Archiv | 2008

    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 ...

    Sensors and systems for space applications: a methodology for developing fault detection, diagnosis, and recovery

    Edwards, J.L. / Beekman, R.M. / Buchanan, D.B. et al. | Tema Archiv | 2007
    essential for providing a safe abort timeline in the event of a catastrophic subsystem failure. In this paper, we discuss a practical and cost ...

    Surveillance video with spatially registered graphics for decision support

    Majoros, A. / Ianni, J. / Davies, P. et al. | Tema Archiv | 2007
    , and presents a rapidly growing volume of content for those observers to understand and integrate. However, knowing the identity of objects and ...

    High durability antireflection coatings for silicon and multispectral ZnS

    Joseph, S. / Marcovitch, O. / Yadin, Y. et al. | Tema Archiv | 2007
    both day and night. In order to achieve such capabilities, advanced electro-optical systems are being constantly developed and improved. These ...

    Adsorption coefficients for TNT on soil and clay minerals

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

    Correlation between LIDAR and radar reflux intensity and the accuracy of the associated elevation information

    Heidelmeyer, G. / Eilmus, B. / Klingauf, U. | Tema Archiv | 2007
    Due to upcoming new data driven technologies in the aviation the impact of digital terrain data is growing conspicuously. Especially for ...