Results 251 to 260 of about 7,955,705 (309)
Optical-based stretchable multimodal sensors for detecting strain and light with periodic buckling structures. [PDF]
Sci AdvAnda T +5 more
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Tonic neuron position and network topology determine synchronization dynamics. [PDF]
Cogn NeurodynMegchun AF +4 more
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Experimental and theoretical investigation of parameter-driven stability and chaos in a non-linear neuron circuit model. [PDF]
PLoS OneEhsan H, Sajjad H, Jhangeer A, Říha L.
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Periodic structures in waveguides
Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences, 2002Summary: We consider structures of period 2 spanning a two-dimensional waveguide of width \(2N\). Scattering problems, where Neumann conditions are imposed on the boundary of the structure and either Neumann or Dirichiet conditions are applied on the guide walls, are decomposed into \(N+1\) independent problems.
Linton, C. M., McIver, M.
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Proceedings. Fourteenth International Conference on Pattern Recognition (Cat. No.98EX170), 2002
We present a method for the detection of periodic structure in images. Finding a global threshold to detect a significant frequency component, and then associating it with responsible features, is fragile. The method extracts features from the original signal, and uses their autocorrelation as the basis for an adaptive filter, with which they are ...
James Orwell +3 more
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We present a method for the detection of periodic structure in images. Finding a global threshold to detect a significant frequency component, and then associating it with responsible features, is fragile. The method extracts features from the original signal, and uses their autocorrelation as the basis for an adaptive filter, with which they are ...
James Orwell +3 more
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Time series with periodic structure
Biometrika, 1967Time series which are encountered in meteorology exhibit non-stationary behaviour. If a variable is observed at the same time each day, it appears to be stationary over a period of a few weeks, but there is a seasonal variation in structure (Monin, 1963). For example, the mean and spectral density are different in the summer and in the winter.
Jones, Richard H., Brelsford, William M.
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Dynamics of Periodic and Near-Periodic Structures
Applied Mechanics Reviews, 1992A brief review of linear waves and dynamic behavior of both periodic and near-periodic structures is presented in this paper. Emphasis is placed on a summary of more recent studies of engineering structures subject to wave motion and the effects of near-periodicity on their dynamic behavior.
Dong Li, Haym Benaroya
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Structure of Certain Periodic Rings
Canadian Mathematical Bulletin, 1985AbstractLet R be a periodic ring, N the set of nilpotents, and D the set of right zero divisors of R. Suppose that (i) N is commutative, and (ii) every x in R can be uniquely written in the form x = e + a, where e2 = e and a ∊ N. Then N is an ideal in R and R/N is a Boolean ring.
Abu-Khuzam, Hazar, Yaqub, Adil
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