1–20 von 325 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

    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

    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

    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 ...

    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 ...

    Damage detection and leakage alert of fiber composite wrapped tank for high pressure hydrogen storage

    Sun, Xiao-Yan / Huston, D.R. / Qin, Quan et al. | Tema Archiv | 2008
    Car manufactures are turning to high pressure hydrogen storage for on-broad power applications. Fiber-composite-wrapped high pressure ...

    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

    Inspection of Lamb waves in carbon fiber composites using shearographic interferometry

    Focke, O. / Hildebrand, A. / Kopylow, C. von et al. | Tema Archiv | 2008
    . The optical implementation of both techniques within the interferometically setup and experimental results with the possibility to measure the ...

    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 ...

    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 ...

    Lane detection system for autonomous vehicle navigation

    Bhatia, A. | Tema Archiv | 2007
    This paper represents the vision processing solution used for lane detection by the Insight Racing team, for DARPA Grand Challenge 2007 ...

    Terminal phase visual position estimation for a tail-sitting vertical takeoff and landing UAV via a Kalman filter

    Tsai, A.C. / Gibbens, P.W. / Stone, R.H. | Tema Archiv | 2007
    Computer vision has been an active field of research for many decades; it has also become widely used for airborne applications in the last ...

    An adaptive localization system for outdoor/indoor navigation for autonomous robots

    Pacis, E.B. / Sights, B. / Ahuja, G. et al. | Tema Archiv | 2006
    of autonomous navigation for mobile robots has targeted either outdoor or indoor scenarios, but not both, which is not how humans operate ...

    Feasibility of landmine detection using transgenic plants

    Deyholos, M. / Faust, A.A. / Miao, Minmin et al. | Tema Archiv | 2006

    Influence of particle size on the vibration of plates loaded with granular material

    Turner, J.A. / Kang, Wonmo / Bobaru, F. et al. | Tema Archiv | 2006
    Acoustic methods of land mine detection rely on the vibrations of the top plate of the mine in response to sound. For granular soil (e.g ...

    A bioinspired vision chip architecture for collision detection in automotive applications

    Laviana, R. / Carranza, L. / Vargas, S. et al. | Tema Archiv | 2005
    This paper describes the architecture and retino-topic unit of a bio-inspired vision chip intended for automotive applications. The chip ...

    High-fidelity simulation capability for virtual testing of seismic and acoustic sensors

    Wilson, D.K. / Moran, M.L. / Ketcham, S.A. et al. | Tema Archiv | 2005
    This paper describes development and application of a high-fidelity, seismic/acoustic simulation capability for battlefield sensors. The ...

    Fusion of visual and eddy current inspection results for the evaluation of corrosion damage in aircraft lap joints

    Liu, Zheng / Forsyth, D.S. / Safizadeh, S. et al. | Tema Archiv | 2005
    laser displacement sensor is used to provide the reference. The EOL estimation is for the total material loss while the eddy current or pulsed ...