نتایج جستجو برای: average shadowing property

تعداد نتایج: 533417  

Meisam Shafiei Ramin Rahmany,

Pronunciation is essential to appropriate communication because the incorrect use ofpronunciation inevitably leads to the message being misunderstood by the receptor. In spite of itsimportance, L2 learners often regard pronunciation as the most difficult language skill to learn.In this study, shadowing as an act or task in pronunciation, in which the learner tracks the targetspeech and repeats ...

2008
Hiroki Matsuda Hiromichi Tomeba Fumiyuki Adachi

In mobile communication systems, the received signal power varies due to fading, shadowing and path loss, resulting in the transmission performance degradation. Transmit antenna diversity is a promising technique to improve the transmission performance. For the downlink transmission, the outage probability in a service area can be improved by distributing the transmit antennas over the service ...

2002
Woo Lip Lim Yu Chiann Foo Rahim Tafazolli

An important property of high altitude platform station (HAPS) Universal Mobile Telecommunications Systems (UMTS) is that unlike terrestrial tower based systems. interference is dependent on the antenna characteristics of HAPS rather than the terrain features (i.e., shadowing) in the service area. In this paper. we exploit this unique HAPS property to propose simple and effective adaptive softe...

2006
Jérôme Buzzi

— We give a survey of the entropy theory of interval maps as it can be analyzed using ergodic theory, especially measures of maximum entropy and periodic points. The main tools are (i) a suitable version of Hofbauer’s Markov diagram, (ii) the shadowing property and the implied entropy bound and weak rank one property, (iii) strongly positively recurrent countable state Markov shifts. Proofs are...

1988
Dina Bitton Jim Gray

Disk shadowing is a technique for maintaining a set of two or more identical disk images on separate disk devices. Its primary purpose is to enhance reliability and availability of secondary storage by providing multiple paths to redundant data. However, shadowing can also boost UO performance. In this paper, we contend that intelligent device scheduling of shadowed disks increases the I/O rate...

1988
Dina Bitton Jim Gray

. ABSTRACT Disk shadowing is a technique for maintaining a set of two or more identical disk images on separate disk devices. Its primary purpose is to enhance reliability and availability of secondary storage by providing multiple paths to redundant data. However, shadowing can also boost I/O performance. In this paper, we contend that intelligent device scheduling of shadowed discs increases ...

2016
Shuju Shi Yosuke Kashiwagi Shohei Toyama Junwei Yue Yutaka Yamauchi Daisuke Saito Nobuaki Minematsu

Shadowing is a task where the subject is required to repeat the presented speech as s/he hears it. Although shadowing is cognitively a challenging task, it is considered as an efficient way of language training since it includes processes of listening, speaking and comprehension simultaneously. Our previous study realized automatic assessment of shadowing speech using the average of Goodness of...

2014
Mihajlo Stefanović Stefan R. Panić Nikola Simić Petar Spalević Časlav Stefanović

Original scientific paper In this paper an analysis of selection combining (SC) macrodiversity reception performed in correlated Gamma shadowing environment will be presented. At each microlevel maximal ratio combining (MRC) with correlated branches is observed, for mitigating effects of Nakagami-m short-time fading. First, novel closed form expressions are derived for second order statistical ...

Journal: :Advances in transdisciplinary engineering 2022

Firstly, it is introduced that the concepts of G-almost periodic point and G-sequence shadowing property. Then, we discuss dynamical relationship between sequence map {gk}∞k=1 limit g under G-strongly uniform convergence topological group action. We can get (1) Let be converge to where equicontinuous {yk}∞k=1 {gk}∞k=1. If limk → ∞ yk = y, then y an g; (2) are equicontinuous, limsup APG(gk) ⊂ AP...

Journal: :Scholarpedia 2008

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