1–20 von 308 Ergebnissen
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    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

    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. ...

    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 ...

    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 ...

    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 ...

    Remote operation of the Black Knight unmanned ground combat vehicle

    Valois, J.S. / Herman, H. / Bares, J. et al. | Tema Archiv | 2008
    movement. Its state-of-the-art Autonomous Navigation Module (ANM) includes terrain-mapping sensors for route planning, terrain classification, and ...

    Cognitive integration of aerial and ground views in remote vehicle operations

    Chadwick, R.A. / Gillan, D.J. | Tema Archiv | 2008
    matures. There are many proposals for the joint use of UAVs and UGVs working together to achieve mission goals. Due to the spatial perception ...

    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 ...

    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 ...

    Stable 600 deg C silicon carbide MEMS pressure transducers

    Okojie, R.S. | Tema Archiv | 2007
    need for wire bonding, thereby removing some reliability issues encountered at high temperature. Generally, at 600 deg C the full-scale output ...

    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 ...

    Stereo-vision-based 3D modeling of space structures

    Se, S. / Jasiobedzki, P. / Wildes, R. | Tema Archiv | 2007
    structures for inspection (geometry, surface flaws, and deployment of appendages), estimation of relative position and orientation of a target ...

    Fiber optic microsensor hydrogen leak detection system on Aerospike X-33

    Kazemi, A.A. / Goepp, J.W. / Larson, D.B. et al. | Tema Archiv | 2007
    does not provide leak location and is not in real time. This system is very complex and cumbersome for production and ground support ...

    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 ...