نتایج جستجو برای: الگوریتم coherent point drift

تعداد نتایج: 630577  

Journal: :Nanoscale 2015
Marc Dvorak Zhigang Wu

The honeycomb lattice of graphene is characterized by linear dispersion and pseudospin chirality of fermions on the Dirac cones. If lattice anisotropy is introduced, the Dirac cones stay intact but move in reciprocal space. Dirac point movement can lead to a topological transition from semimetal to semiconductor when two inequivalent Dirac points merge, an idea that has attracted significant re...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده برق 1388

چکیده : تبدیل فوریه سریع یکی از اساسی ترین اجزای سیستم های مخابراتی است که در سنوات گذشته اقدامات موثری در جهت بهینه سازی آن صورت گرفته است. در این سال ها الگوریتم های گوناگونی برای کاربردهای مختلف همانند تبدیل فوریه سریع خط لوله، به منظور پیاده سازی تبدیل فوریه سریع ارائه شده است. در این رساله که بر اساس بهبود سخت افزاری تبدیل فوریه سریع خط لوله پایه ریزی شده است، یکی از الگوریتم های بهینه ی ت...

Journal: :Nonlinear Dynamics 2023

Abstract The Landau-Ginzburg-Higgs (LGH) equation explains the ocean engineering models, superconductivity and drift cyclotron waves in radially inhomogeneous plasma for coherent ion-cyclotron waves. In this paper, with a simple modification of Ablowitz-Kaup-Newell-Segur (AKNS) formalism, integrability LGH is proved by deriving Lax pair. Hence that, inverse scattering transformation (IST) appli...

H. Dadkhah, M. Mohebbi,

Semi-active base isolation system has been proposed mainly to mitigate the base drift of isolated structures while in most cases, its application causes the maximum acceleration of superstructure to be increased. In this paper, designing optimal semi-active base isolation system composed of linear base isolation system with low damping and magneto-rheological (MR) damper has been studied for co...

شهبازی, فرهاد, قسامی , سارا,

 Synchrony is significant in brain neural network. In this study we investigate the collective firing in an excitable media and modeling the brain network by an small-world one. The Gaussian white noise is taken to the system of phase oscillators, and then to the frequency distribution. An order parameter in non stationary situation and other usefull statistical parameters such as firing are co...

Journal: :Ocean Science 2021

Abstract. Backward drift simulations can aid the interpretation of in situ monitoring data. In some cases, however, trajectories are very sensitive to even small changes tracer release position. A corresponding spread backward implies attraction forward passage time and, hence, uncertainty about probed water body's origin. This study examines surface German Bight (North Sea). Lines across which...

Journal: :Journal of experimental psychology. Learning, memory, and cognition 2012
Jeffrey J Starns Roger Ratcliff Corey N White

Improving memory for studied items (targets) often helps participants reject nonstudied items (lures), a pattern referred to as the strength-based mirror effect (SBME). Criss (2010) demonstrated the SBME in diffusion model drift rates; that is, the target drift rate was higher and the lure drift rate was lower for lists of words studied 5 times versus lists of words studied once. She interprete...

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