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    Information processing for aerospace structural health monitoring

    Lichtenwalner, P.F. / White, E.V. / Baumann, E.W. | Tema Archiv | 1998
    monitoring (SHM) system. These include artificial intelligence techniques such as neural networks, expert systems, and fuzzy logic for nonlinear ...

    Autonomous search for mines. II. Hierarchical search using sensory data

    Cao, Yonghuan / Gelenbe, E. | Tema Archiv | 1998

    Guidelines for developing distributed virtual environment applications

    Stytz, M.R. / Banks, S.B. | Tema Archiv | 1998
    (DVE) technology for the military and medical professions. The projects include an application that allows the user to interactively explore a ...

    Piezoelectric ceramic assembly tubes for torsional actuators (and application to helicopter rotor blade control)

    Kim, C. / Glazounov, A.E. / Flippen, F.D. et al. | Tema Archiv | 1999
    The efforts described here are intended to provide a basis for the utilization of novel piezoelectric actuators in smart materials and ...

    Enhanced signal and auditory processing for landmine detection using EMI sensors

    Tan, Yingyi / Tantum, S. / Collins, L. | Tema Archiv | 2001

    Investigating the use of ultrasonic guided waves for aging wire insulation assessment

    Anastasi, R.F. / Madaras, E.I. | Tema Archiv | 2002
    becomes brittle and cracks. This exposes the underlying conductive wire to the potential for short circuits and fire. The difficulty is that ...

    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 ...

    Model reduction and substructuring for computing responses of structures containing frequency-dependent viscoelastic materials

    Germes, S. / Van Herpe, F. | Tema Archiv | 2002
    systems, there is still a need for finite element models capable of predicting the frequency response of structures containing VEM. We address in ...

    Thruster-plume-induced contamination measurements from the PIC and SPIFEX flight experiments

    Soares, C.E. / Barsamian, H. / Rauer, S. | Tema Archiv | 2002
    developed for the International Space Station (ISS). ...

    Constructing unified identification algorithms using a small number of observations for adaptive control and navigation systems

    Fursov, V.A. | Tema Archiv | 1997
    The paper deals with the development of identification algorithms for adaptive control systems, with specific features related to the ...

    Comparison of confidence level of different classification paradigms for underwater target discrimination

    Li, Donghui / Azimi-Sadjadi, M.R. / Jamshidi, A.A. et al. | Tema Archiv | 2001
    are examined on a wideband 80 kHz acoustic backscattered data set collected for six different objects. These systems are then benchmarked with ...

    Physics-based statistical signal processing for improved land mine detection and classification via decay rate estimation

    Tantum, S.L. / Collins, L.M. | Tema Archiv | 2000
    Target discrimination via decay rate (pole) estimation has been proposed as an effective method for landmine and UXO detection. The ...

    Multifunctional system for active noise control and damage detection on a typical aeronautical structure

    Lecce, L. / Viscardi, M. / Zumpano, G. | Tema Archiv | 2001
    piezo's was decided to be used also for health monitoring application. As a preliminary activity, an extensive monitoring was performed on the ...

    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 ...

    Feasibility study of embedded fiber-optic strain sensing for composite propeller blades

    Zetterlind, V.E. / Watkins, S.E. / Spoltman, M.W. | Tema Archiv | 2001
    feasibility of embedded fiber-optic smart instrumentation was examined for use in the commercial manufacture and testing processes used by Hartzell ...

    Feature extractor and search engine for automatic object recognition

    Freire, J. / Correia, B. | Tema Archiv | 1998

    Landsat 7 thermal-IR image sharpening using an artificial neural network and sensor model

    Lemeshewsky, G.P. / Schowengerdt, R.A. | Tema Archiv | 2001
    to 60-m) spatial resolution input from spectral bands 7, 5, and 2. After training, the NN output for full-resolution input generates an ...

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

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

    Bayesian signal detection for multiple aspect targets with an uncertain look angle

    Rasimas, J.G. / Tantum, S.L. / Nolte, L.W. | Tema Archiv | 1999
    An optimal signal detection theory approach is presented for the determination of the presence or absence of a target observed at multiple ...

    Fusion of visual and eddy current inspection results for the evaluation of corrosion damage in aircraft lap joints

    Liu, Zheng / Forsyth, D.S. / Safizadeh, S. et al. | Tema Archiv | 2005
    laser displacement sensor is used to provide the reference. The EOL estimation is for the total material loss while the eddy current or pulsed ...

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