نتایج جستجو برای: switching

تعداد نتایج: 71873  

افتخاری, کاوه, خیری فام, حسین, عباسیان, کریم,

We propose a novel two state and all-optical controllable switch using DIT, Kerr effect and interaction between quantum dots (QD) and quantum electrodynamics cavity (CQED). The two state and all-optical controllable switch is coupled to photonic waveguide from a rapid nonlinear environment (photonic crystal) and CQED. We consider the nano-crystal are doped to crystal photonic cavity as a 4-leve...

موسوی, سید جابر, موسوی, سید عبداله, میرزایی, ربابه,

Background and purpose: In recent decades, several studies have been performed to assess the impact of answer switching on multiple choice questions final score. But still there is a general belief that changing the initial response could decrease the test scores. The aim of this study was to evaluate the impact of answer changing on final scores in paramedical students. Material and method...

H. Fekri M. A. Shamsi-Nejad, S. M. Hasheminejad

This paper proposes a novel axial flux switching permanent magnet generator for small wind turbine applications. Surface mounted axial flux switching permanent magnet (SMAFSPM) machine is a new type of these machines that is introduced in this paper. One of the most important challenges in optimal designing of this kind of machines, is ease of construction and maintenance. One of the main featu...

This paper proposes a new sliding mode control (SMC)  based model reference adaptive system (MRAS) for sensorless indirect field oriented control (IFOC) of a single-sided linear induction motor (SLIM). The operation of MRAS speed estimators dramatically depends on adaptation mechanism. Fixed-gain PI controller is conventionally used for this purpose which may fail to estimate the speed correctl...

2008
David K. Hunter

Switching systems connect and disconnect users in a communications network by activating and deactivating switching devices. At first sight, this may seem trivial, but there is, in fact, a vast literature on the subject, much of which is highly technical. This article provides a flavour of this subject and identifies some of its principal features. It starts by looking at some key results from ...

2002
Sungchang Kim Namook Kim Minho Kang

INTRODUCTION OPTICAL BURST SWITCHING ALTERNATIVE ROUTING IN OBS NETWORKS SIMULATION AND RESULTS CONCLUSION

2012
Maki Miyajima Atuhito Toyomaki Ichiro Kusumi Tsukasa Koyama

Task switching is a well-known cognitive paradigm to explore task-set reconfiguration processes such as rule shifting. In particular, endogenous task switching is thought to differ qualitatively from stimulus-triggered exogenous task switching. However, no previous study has examined the neural substrate of endogenous task switching. The purpose of the present study is to explore the difference...

Journal: :Psychonomic bulletin & review 2006
Erik M Altmann

With the aim of reducing cognitive control in task switching to simpler processes, researchers have proposed in a series of recent studies that there is little more to switching tasks than switching cues. The present study addresses three questions concerning this reduction hypothesis. First, does switching cues account for all relevant variance associated with switching tasks? Second, how well...

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