نتایج جستجو برای: train

تعداد نتایج: 42645  

2008
Stefano Frixione Eric Laenen Bryan R. Webber

We present the calculation of the Wt single-top production channel to nextto-leading order in QCD, interfaced with parton showers within the MC@NLO formalism. This channel provides a complementary way of investigating the properties of the Wtb vertex, with respect to the sand t-channels. We pay special attention to the separation of this process from top quark pair production.

2011
Joanne McGrath Cohoon James P. Cohoon

This mini-workshop will follow a “train-thetrainer” model. Experts will provide guidance and resources for college computing faculty who wish to organize workshops for high school computer science teachers. These workshops will enable the teachers to attract more and diverse students to their computer science classes, which will add to the college-bound population of students prepared for and i...

Journal: :Statistics in medicine 2007
Vincent Q Vu Bin Yu Robert E Kass

Data on 'neural coding' have frequently been analyzed using information-theoretic measures. These formulations involve the fundamental and generally difficult statistical problem of estimating entropy. We review briefly several methods that have been advanced to estimate entropy and highlight a method, the coverage-adjusted entropy estimator (CAE), due to Chao and Shen that appeared recently in...

Journal: :Journal of neuroscience methods 2009
Thomas Kreuz Daniel Chicharro Ralph G Andrzejak Julie S Haas Henry D I Abarbanel

Measures of multiple spike train synchrony are essential in order to study issues such as spike timing reliability, network synchronization, and neuronal coding. These measures can broadly be divided in multivariate measures and averages over bivariate measures. One of the most recent bivariate approaches, the ISI-distance, employs the ratio of instantaneous interspike intervals (ISIs). In this...

2008
Vasile V. Moca Danko Nikolic Raul Cristian Muresan

Spike train models are important for the development and calibration of data analysis methods and for the quantification of certain properties of the data. We study here the properties of a spike train model that can produce both oscillatory and non-oscillatory spike trains, faithfully reproducing the firing statistics of the original spiking data being modeled. Furthermore, using data recorded...

2013
Hannah Julienne Conor Houghton

Although spike trains are the principal channel of communication between neurons, a single stimulus will elicit different spike trains from trial to trial. This variability, in both spike timings and spike number can obscure the temporal structure of spike trains and often means that computations need to be run on numerous spike trains in order to extract features common across all the response...

2007
Natalia J. Rezanova David M. Ryan

Changes in the train schedule affect the train driver duties. If a train is cancelled or delayed, the driver assigned to the train task might not be able to reach the station of his next train departure in time. In practice, if a driver is not available for the train departure, another driver, for instance, a reserve, is assigned to the task. If there are no drivers available to cover the task ...

ژورنال: طب کار 2013
زارع میرک‌آباد, زهره, لوک‌زاده, زیبا, مهنام, محمود, هاشمی, سیدحسام ,

Background: Noise-induced hearing loss is a sensorineural hearing loss, which is associated with exposure to high levels of sound. Since train drivers exposed to high noise levels and the use of hearing protection devices is relatively difficult and they also need to hear the radio communications, this study examines the hearing status of train drivers of Yazd Railway Company. Methods: This i...

2012
Cătălin Cruceanu

Train braking is a very complex process, specific to rail vehicles and of great importance by the essential contribution on the safety of the traffic. This complexity results from the fact that during braking occur numerous phenomena of different kinds mechanical, thermal, pneumatic, electrical, etc. The actions of these processes take place in various points of the vehicles and act on differen...

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