1–20 von 164 Ergebnissen
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    Wavelets for ultrasonic echo identification in aircraft fuel tanks

    Sadok, M. | Tema Archiv | 2002
    to gauge fuel in commercial and military aircraft. Ultrasonics are among other techniques that were tested for such purposes. Generally, in ...

    Vibration control of a flexible beam through a smart structure concept

    Goud, A.P. / Umapathy, M. | Tema Archiv | 1998
    Active control has become important in structural systems as an efficient tool for vibration suppression. A cantilever beam has been chosen ...

    Vehicle size and orientation estimation using geometric fitting

    Carlsson, C. / Millnert, M. | Tema Archiv | 2001
    Over the years imaging laser radar systems have been developed for military and civilian applications. Among the applications we note ...

    Using physical models to improve thermal IR detection of buried mines

    Chen, D.H. / Sendur, I.K. / Liao, W.J. et al. | Tema Archiv | 2001
    to better detection. Several techniques for exploiting this information are described. The first approach involves ML estimation of model ...

    Unattended ground sensor based on fiber Bragg grating technology

    Zhang, Yan / Li, Sanguo / Yin, Zhifan et al. | Tema Archiv | 2005
    In this paper we have demonstrated an unattended seismic wave sensor based on the optical fiber Bragg grating (FBG) sensing technology. The ...

    Toward dynamic model-based prognostics for transmission gears

    Wang, Wenyi | Tema Archiv | 2002
    This paper presents a novel methodology for the diagnosis and prognosis of crucial gear faults, such as gear tooth fatigue cracking ...

    Time-frequency signatures based on a fuzzy-cluster representation as a means for automatic classification of targets buried underground

    Strifors, H.C. / Abrahamson, S. / Gustafsson, A. et al. | Tema Archiv | 1998
    features in the 2D time-frequency domain are viewed as the target signatures. For target identification, a signature representation should display ...

    Time-domain metal detector and GPR data processing and fusion for landmine detection

    Gao, Ping / Collins, L.M. | Tema Archiv | 2000
    For the landmine detection problem, a detector that provides a high probability of detection and a low probability of false alarm is needed ...

    Three-dimensional anthropometric techniques applied to the fabrication of burn masks and the quantification of wound healing

    Whitestone, J.J. / Geisen, G.R. / McQuiston, B.K. | Tema Archiv | 1997
    for successful mission performance of weapon systems, including cockpits, protective equipment, and clothing. The application of human body ...

    The steady state response calculation and damping vibration analysis of shrouded blades

    Ren, Yungsheng / Zhu, Demao | Tema Archiv | 1994
    . The related computer programs are written in fortran 77. The numeric analysis for the blades is completed. ...

    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 ...

    Target detection in infrared and SAR terrain images using a non-Gaussian stochastic model

    Chapple, P.B. / Bertilone, D.C. / Caprari, R.S. et al. | Tema Archiv | 1999
    detection as a problem in statistical decision theory. The current paper follows this approach in developing a new stochastic model for images of ...

    Taking advantage of misclassifications to boost classification rate in decision fusion

    Goebel, K. / Mysore, S.P. | Tema Archiv | 2001
    by utilizing the information of known misclassifications of certain classes to systematically modify class output. For example, if it is ...

    Suitability of scene matching for unmanned vehicle navigation

    Ding, Mingyue / Xiao, Yijun / Ai, Hao-Jun et al. | Tema Archiv | 1998
    the reference map. Due to the sensitivity of scene imaging, only some special zones of the unmanned vehicle's planned area are suitable for ...

    Study of the conical spiral antenna for use in ground-penetrating radars: initial results

    Hertel, T.W. / Smith, G.S. | Tema Archiv | 2000
    We examine the conical spiral antenna (CSA) for use in ground-penetrating radars (GPR). When this antenna is isolated in free space, its ...

    Stochastic simulation of ocean waves and their effect on microwave scattering

    Jean-Pierre, A. / Pierson, W.J. / Groves, G.W. | Tema Archiv | 1999
    components for use in studies of radar sea scattering. The effects of Monte Carlo simulations of linear and nonlinear waves on radar backscatter from ...

    Stochastic search and graph techniques for MCM path planning

    Piatko, C.D. / Diehl, C.P. / McNamee, P. et al. | Tema Archiv | 2002
    We have been developing path planning techniques to look for paths that balance the utility and risk associated with different routes ...

    Statistical signal processing for detection of buried landmines using quadrupole resonance

    Feng Liu / Tantum, S.L. / Collins, L.M. et al. | Tema Archiv | 2000
    for TNT, and therefore the signal-to-noise ratio must be high for extracting the QR response. Further, the frequency at which the radiation ...

    Statistical fusion of GPR and EMI data

    Weisenseel, R.A. / Karl, W.C. / Castanon, D.A. et al. | Tema Archiv | 1999
    In this paper, we develop a statistical detection system exploiting sensor fusion for the detection of plastic A/P mines. We design and ...