101–120 von 348 Ergebnissen
|

    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 ...

    Calibration data models for the Landsat 7 ETM+ internal calibrator

    Smid, J. / Markham, B.L. / Volf, P. et al. | Tema Archiv | 2001
    (3) a full aperture solar calibrator. The internal calibrator consists of two tungsten lamps and optical and mechanical components to ...

    Electroactive-polymer-based MEMS for aerospace and medical applications

    Xu, Tian-Bing / Su, Ji / Zhang, Qiming | Tema Archiv | 2003
    magneostrictive materials for electromechanical device applications due to their high strain, light weight, flexibility, and low cost. Electroactive ...

    Subwavelength volume holographic grating in photopolymer for the liquid crystal display viewing angle compensation

    Lee, M.S.L. / Delboulbe, A. / Gomez, G. et al. | Tema Archiv | 2003
    interest for the direct view liquid crystal displays that suffer from a narrow viewing angle. In fact, by providing high birefringence, they ...

    Micromachined ultrasonic transducers for damage detection in CFRP composites

    Jones, A.R.D. / Noble, R.A. / Bozeat, R.J. et al. | Tema Archiv | 1999
    technology. Silicon micromachining offers the potential for fabricating a range of microsensors for structural applications including load, vibration ...

    Development of a high-mobility wheeled robot for humanitarian mine clearance

    Colon, E. / Alexandre, P. / Weemaels, J. et al. | Tema Archiv | 1998

    Dynamic holographic interferometry with photorefractive crystals: review of applications and advanced techniques

    Georges, M.P. / Thizy, C. / Scauflaire, V.S. et al. | Tema Archiv | 2003
    destructive testing (defect detection), displacement metrology, vibration mode shape visualization, as well as a study for the use of photorefractive ...

    Low reflection, high transmission, wide viewing angle TFT-LCD for avionics applications

    Gu, Tieer / Lu, Yiwei / Zhong, J.Z.Z. et al. | Tema Archiv | 1998

    Back propagation of acoustic signature for robust target identification

    Srour, N. | Tema Archiv | 2001
    battlefield acoustic sensors, that harmonic lines are effective spectral features for the target identification of acoustic signatures from ground ...

    Use of disparate sensors for the detection of chemical and biological events

    Sickenberger, D.W. / Birenzvige, A. / Reyes, F. | Tema Archiv | 2002

    Overview of photonic materials and components for application in space environments

    Taylor, E.W. / Osinski, M. / Watson, M. et al. | Tema Archiv | 1999
    . Optically based sensors, inertial guidance, tracking systems, communications, diagnostics, imaging and high speed optical processing are but a few ...

    Machine vision for ice layer thickness measurements

    Hermanto, I. / Gagnon, R.E. | Tema Archiv | 1996
    A patented technique for remotely measuring layer thickness of transparent fluids and solids on surfaces has been incorporated into ...

    Surface-mounted periodic field eddy current sensors for structural health monitoring

    Goldfine, N.J. / Zilberstein, V.A. / Schlicker, D.E. et al. | Tema Archiv | 2001
    mounted, like a strain gage, at critical locations for detection of crack initiation and monitoring of crack growth. This can be accomplished on a ...

    Structural health management for aging aircraft

    Ikegami, R. / Haugse, E.D. | Tema Archiv | 2001
    An effective structural health management (SHM) system can be a useful tool for making aircraft fleet management decisions ranging from ...

    Miniature vibration isolation system for space applications

    Quenon, D. / Boyd, J. / Buchele, P. et al. | Tema Archiv | 2001
    Laboratory along with its partner DARPA, have initiated an aggressive program to develop a Miniature Vibration Isolation System (MVIS) for space ...

    Demodulation schemes for vibrometers and associated effects on target classification

    Ruck, B. / Lewis, H. / Rogoyski, A. et al. | Tema Archiv | 1998
    schemes upon several critical classification cues, for example signal-to-noise ratio, frequency and bandwidth. These cues help to parameterize the ...

    Next-generation diode laser gas sensors for environmental and industrial monitoring

    May, R.D. | Tema Archiv | 1999
    sensor design in the last several years. Miniaturization of the primary subsystems and development of robust data analysis software for space ...

    Magnetic lateral guidance sensors for automated highways

    Stauffer, D. / Barrett, M. / Demma, N. et al. | Tema Archiv | 1995
    Automated highway systems will need sensors both for longitudinal guidance (intelligent speed control) and for lateral guidance relative to ...

    Infrared technology in automotive component research and development

    El-Ratal, W.H. / Bee, D.C. | Tema Archiv | 1998
    Verlag: SPIE International Society for Optical Engineering , Bellingham