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Mathieu functions, a visual approach

The behavior of the Mathieu functions is illustrated by using a variety of plots with representative examples taken from mechanics. We show how Mathieu functions can be applied to describe standing,…
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Synthesizing stereo 3D views from focus cues in monoscopic 2D images

A depth estimation method based on measuring focus cues is presented, which consists of a local spatial frequency measurement using multiresolution wavelet analysis and a Lipschitz regularity estimation of significant edges; resulting in a pixel resolution depth map.
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Movement-Based Location Management for General Cell Residence Times in Wireless Networks

The cost analysis for the dynamic movement-based location update scheme is presented, based on renewal theory arguments, and it is general enough to include a variety of probability distributions for modeling cell residence times (CRTs) in hyperexponentially distributed location area residence times and exponentially distributed intercall times.
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Efficiency of the Approximated Shape Parameter Estimator in the Generalized Gaussian Distribution

The proposed estimator is an explicit approximate solution to the transcendental estimator obtained by the method of moments, and an explicit expression of its asymptotic variance is obtained.
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Some Algebraic and Analytical Properties of Coquaternion Algebra

Abstract.The aim of this work is to prove some basic properties of coquaternions and to find the zeros of polynomials involving coquaternionic elements. We also provide some expansions of…
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Application of renewal theory to call handover counting and dynamic location management in cellular mobile networks

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Simulated annealing and stochastic ruler algorithms for wavelength assignment planning in WDM optical networks

According to the results, the SA algorithm has a better performance than the stochastic ruler algorithm in most of the cases, specially when the number of nodes is large.
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Intensity distributions and cutoff frequencies of linearly polarized modes for a step-index elliptical optical fiber

Intensity distributions of linearly polarized (LP) propagation modes of several orders are plotted for a step-index elliptical-core dielectric waveguide. A simplified characteristic equation is…
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Some remarks regarding asymptotic packet loss in the Pareto/M/1/K queueing system

This paper considers the evaluation of the asymptotic packet loss for the Pareto distributed interarrival times, i.e., Pare to/M/1/K queueing systems, through the use of the Paredto Laplace transform and its derivative.
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Experimental demonstration of optical Mathieu beams

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