1–20 von 1,072 Ergebnissen
|

    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 ...

    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 ...

    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 ...

    Analysis of laser-ranging technology for sense and avoid operation of unmanned aircraft systems: the tradeoff between resolution and power

    Euliss, G. / Christiansen, A. / Athale, R. | Tema Archiv | 2008
    An investigation of power and resolution for laser ranging sensors is performed in relation to sense and avoid requirements of miniature ...

    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 ...

    Onboard system for synchronizing video and telemetry on a small UAV

    Rodriguez, A. / Taylor, C. / Aregawi, Y. et al. | Tema Archiv | 2008
    Data acquisition with multiple sensors requires accurate registration in both time and space for effective data fusion. This paper presents ...

    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 ...

    Detection of impact damage on thermal protection systems using thin-film piezoelectric sensors for integrated structural health monitoring

    Na, J.K. / Kuhr, S.J. / Jata, K.V. | Tema Archiv | 2008
    is developing a reliable and robust on-board sensing/monitoring capability for next generation thermal protection systems to detect and ...

    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 ...

    Polarization measurements of automobile paints

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

    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 ...