61–80 von 347 Ergebnissen
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    Smart fastener for KC-135 structural integrity monitoring

    Schoess, J.N. / Seifert, G. | Tema Archiv | 1997
    Hidden and inaccessible corrosion in aircraft structures is the number-one logistics problem for the U.S. Air Force, with an estimated ...

    Simultaneous monitoring of the corrosion activity and moisture inside aircraft lap joints

    Cooper, K.R. / Ma, Y. / Wikswo, J.P. et al. | Tema Archiv | 2004

    Simulation and modeling for military air operations

    Kreichauf, R.D. / Bedros, S. / Ateskan, Y. et al. | Tema Archiv | 2001
    defense systems, AWACS) to different geographical locations in the theater of operations. The JFACC mission is to define a sequence of tasks for ...

    Shape memory alloy TiNi actuators for twist control of smart wing designs

    Jardine, A.P. / Kudva, J.N. / Martin, C. et al. | Tema Archiv | 1996
    being studied for a subscale model of a fighter aircraft. The use of the SME (Shape Memory Alloy) TiNi for wing twist actuation was investigated ...

    Shape memory actuated release devices

    Carpanter, B. / Clark, C. / Weens, W. | Tema Archiv | 1996
    vehicle, deployment of solar arrays and other appendages. Existing technologies may not be able to meet mechanism requirements for future ...

    Sensor data fusion for mine detection from a vehicle-mounted system

    Bhatia, I.L. / Diehl, V.E. / Moore, T. et al. | Tema Archiv | 2000
    accomplished on a sensor by sensor basis. For the IR sensor, we apply digital filtering techniques and morphology to detect the mines and a separate ...

    Sensitivity of fusion performance to classifier model variations

    Goebel, K.F. | Tema Archiv | 2003
    is how the output should be distributed, in particular for multi-class continuous output classifiers. Using the wrong distribution may lead ...

    Scannerless imaging ladar using a laser diode illuminator and FM/CW radar principles

    Stann, B. / Giza, M. / Robinson, D. et al. | Tema Archiv | 1999
    Research Laboratory for reconnaissance applications. Range information is obtained by a frequency modulation/continuous wave (FM/CW) radar ...

    Robustness of features for automatic target discrimination in high resolution polarimetric SAR data

    Broek, A. van den / Dekker, R. / Steeghs, P. | Tema Archiv | 2003
    We have studied the robustness of features against aspect variability for the purpose of target discrimination using polarimetric 35 Ghz ...

    Robust autofocus algorithm for ISAR imaging of moving targets

    Li, Jian / Wu, Renbiao / Chen, V.C. | Tema Archiv | 2000
    A robust autofocus approach, referred to as AUTOCLEAN (AUTOfocus via CLEAN), is proposed for the motion compensation in ISAR (inverse ...

    Results of the DRIVE I experiment for fusion of IR and radar data

    Birkemark, C.M. / Titley, J.D. | Tema Archiv | 2001
    The "Derived Radar and Infra-Red Voxel Energy" operator (DRIVE) has been proposed for the fusion of IR and radar data as a pre-detection ...

    Results from a forward-looking GPR mine detection system

    Kositsky, J. / Cosgrove, R. / Amazeen, C.A. et al. | Tema Archiv | 2002
    each image. Finally, multilook processing combined the results from several independent views of the same mines (at various ranges). For buried ...

    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 ...

    Reliability shortcomings for micro-nanotechnology-based systems

    Garcia, E.J. / Polosky, M.A. | Tema Archiv | 2007
    Micro nano technology-based systems (MNT-based systems) are expected to provide unprecedented capabilities for aerospace applications ...

    Reflectivity of the Al-N coating: results of mechanical and environmental tests

    Anisimov, V.P. / Anisimova, I.A. / Kashirin, V.A. et al. | Tema Archiv | 2002
    environmental tests. The Al-N coating has been designed to reduce the stray sunlight background in the satellite-borne optical instruments and charge ...

    Recent advances on terrain database correlation testing

    Sakude, M.T. / Schiavone, G.A. / Morelos-Borja, H. et al. | Tema Archiv | 1998
    Terrain database correlation is a major requirement for interoperability in distributed simulation. There are numerous situations in which ...

    Recent advances in the quality of CVD diamond optical components

    Wort, C.J.H. / Pickles, C.S.J. / Beale, A.C. et al. | Tema Archiv | 1999
    Reports on the properties and applications of polished polycrystalline diamond optical components produced by chemical vapor deposition and ...

    Real-time signal construction and digital quadrature modulation for pulse Doppler radar clutter

    Liang, Zhiheng / Xu, Jiaxiang / Chen, Xunda | Tema Archiv | 2001

    Real-time obstacle avoidance based on sensory information

    Janigro, M. / D'Orazio, T. / Lovergine, F.P. et al. | Tema Archiv | 1992
    Detecting unexpected obstacles and avoiding collisions is an important taks for any autonomous mobile robot. In this paper we describe an ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Real-time identification of driveable areas in a semi-structured terrain for an autonomous ground vehicle

    Chaturvedi, P. / Sung, E. / Malcolm, A.A. et al. | Tema Archiv | 2001
    A vision system capable of extracting features from a semi-structured environment for vehicle guidance is described. It is primarily used ...