Results 251 to 260 of about 18,851,731 (293)
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Time domain right invertibility
2006 American Control Conference, 2006Generalized systems (also called implicit, descriptor, etc.) usually offer more possibilities for solving control and observation problems. In this context, we use an important tool of System Theory, namely right invertible systems. In this paper we consider some possible dualizations results on time domain left invertibility and point out which ...
Moisés E. Bonilla +2 more
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Time domain approximations in the solution of fields by time domain diakoptics
International Journal for Numerical Methods in Engineering, 1982AbstractThe numerical solution of field substructures in time domain diakoptics requires an interation time consistent with the numerical accuracy required. When storing and reconnecting the substructures, the information required can be obtained from considerably fewer samples.
Johns, P. B., Akhtarzad, K.
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Subpicosecond-time-domain reflectometry
Optics Letters, 1981We demonstrate a new method of optical time-domain reflectometry using subpicosecond pulses and nonlinear detection. The high-spatial-resolution ( approximately 15-microm) temporal resolution and sensitivity put new limits on the size and nature of defects that can be detected, localized, and analyzed in optical fibers.
J J, Fontaine +3 more
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Time-domain cepstral transformations
IEEE Transactions on Signal Processing, 1993The realization of homomorphic systems for convolution is addressed, motivated by the limitations of the Fourier-transform-based method commonly used in homomorphic (complex cepstral) filtering. The time-domain cepstral transformation (TDCT) method, which is entirely based on time-domain calculations, thus avoiding or minimizing the problems associated
Radomir T. Sokolov, James C. Rogers
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Optical time domain reflectometer
Applied Optics, 1977By using an optical time domain reflectometer a new measurement technique which allows displaying the length dependence of the fiber attenuation by analyzing backscattered light has been developed. This paper compares the backscatter and insertion-loss techniques.
M K, Barnoski +3 more
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Nonlinear time-domain modeling by multiresolution time domain (MRTD)
IEEE Transactions on Microwave Theory and Techniques, 1997A multiresolution time-domain (MRTD) scheme based on the expansion in scaling functions is applied to the modeling of nonlinear pulse propagation. Appropriate absorbers for the MRTD scheme are presented and their performance is discussed. The differences using pulse functions and nonlocalized basis functions like the Battle-Lemarie scaling functions ...
M. Krumpholz, H.G. Winful, L.P.B. Katehi
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Edge magnetoplasmons in the time domain
Physical Review B, 1992We have studied edge magnetoplasmons (EMP's) created by pulses of 100 ps width in a high-mobility two-dimensional electron gas, using a cryogenic transistor. We find that magnetoplasmon motion along the edge occurs only in the direction expected for negatively charged electrons; there is no hint of propagation in the opposite direction expected for ...
, Ashoori +4 more
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Electrical neuroimaging in the time domain
2009A publication entitled “A default mode of brain function” initiated a new way of looking at functional imaging data. In this PET study the authors discussed the often-observed consistent decrease of brain activation in a variety of tasks as compared with the baseline.
Michel, C M, Koenig, T, Brandeis, D
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