101–120 von 347 Ergebnissen
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    Real-time 2D floating-point fast Fourier transforms for seeker simulation

    Chamberlain, R. / Lord, E. / Shand, D.J. | Tema Archiv | 2002
    operations on a single modest sized image making it impractical for realtime hardware-in-the-loop systems, until now. This paper outlines the ...

    An improved correlation based detector for a hand-held landmine detector

    Ho, K.C. / Gader, P.D. | Tema Archiv | 2001
    We propose in this paper an improved correlation based GPR algorithm for a hand-held landmine detector. The previously proposed correlation ...

    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 ...

    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 ...

    Principal components analysis: extension to scaling for application to images acquired at various ranges

    Cook, G. / O'Brien, G. | Tema Archiv | 1999
    This paper builds on the method of principal components analysis and its use for obtaining from a set of training image vectors a basis in ...

    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 ...

    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 ...

    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 ...

    IDT sensors for detection of ice on rotorcraft

    Varadan, V.V. / Varadan, V.K. / Bao, X.Q. | Tema Archiv | 1998
    IDT (interdigital transducers) offer significant potential for detecting ice formation on rotorcraft applications. Sensing of flex beam ...

    Defect-selective imaging of aerospace structures with elastic-wave-activated thermography

    Busse, G. / Dillenz, A. / Zweschper, T. | Tema Archiv | 2001

    Development of a 5-DOF force feedback laparoscopic interface for simulation and telesurgery

    Ben-Ur, E. / Salisbury, J. | Tema Archiv | 2000
    Laparoscopic surgery reduces recovery time and risk of complications over conventional methods for abdominal procedures, making it ...

    Adaptive multi-sensor integration for mine detection

    Baker, J.E. | Tema Archiv | 1997
    application, while increasing the quality of the final result and provides a quantitative measure for comparing competing MSI techniques and sensor ...

    Multi-sensor fusion for vehicle mounted mine detection

    Aponte, H.I. / Campana, S. / McGovern, M. | Tema Archiv | 2001
    provided support for analysis, testing and algorithm development for Automatic Target Recognition (ATR) and sensor fusion processing. This paper ...

    Soil moisture and electrical conductivity prediction and their implication for landmine detection technologies

    Katsube, T.J. / Keating, P.K. / McNairn, H. et al. | Tema Archiv | 2004
    Physical properties, such as soil moisture, magnetic susceptibility and electrical conductivity (EC) are sources of signal interference for ...

    Materials and actuators for the shape control of structures

    des Rochettes, H.M. / Petitniot, J.L. | Tema Archiv | 2001
    Smart materials and actuators meet a noticeable requirement for the shape control of aerodynamic surfaces. This interest is borne as well ...

    Image processing and classification for the UK remote minefield detection system infrared polarimetric camera

    Williams, J.W. / Tee, H.S. / Poulter, M.A. | Tema Archiv | 2001
    emerging technologies in an integrated system for detecting mined areas from an airborne platform The multi-sensor demonstrator is being managed by ...

    Probability-of-detect-based beam pointing for multitarget tracking with electronically scanned radars

    Register, A.H. / Brown, G.C. / Blair, W. | Tema Archiv | 2002
    very important. Two opportunities for conserving radar resources that have not been fully exploited when tracking closely-spaced objects with ...

    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

    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 ...