نتایج جستجو برای: مدل csi

تعداد نتایج: 124870  

2016
Anne M. Benneker Jeffery A. Wood Peichun A. Tsai Rob G. H. Lammertink

Electrokinetic effects adjacent to charge-selective interfaces (CSI) have been experimentally investigated in microfluidic platforms in order to gain understanding on underlying phenomena of ion transport at elevated applied voltages. We experimentally investigate the influence of geometry and multiple array densities of the CSI on concentration and flow profiles in a microfluidic set-up using ...

Journal: :Neuro-oncology 2013
Gabriele Calaminus Rolf Kortmann Jennifer Worch James C Nicholson Claire Alapetite Maria Luisa Garrè Catherine Patte Umberto Ricardi Frank Saran Didier Frappaz

BACKGROUND We conducted a nonrandomized international study for intracranial germinoma that compared chemotherapy followed by local radiotherapy with reduced-dose craniospinal irradiation (CSI) alone, to determine whether the combined treatment regimen produced equivalent outcome and avoided irradiation beyond the primary tumor site(s). METHODS Patients with localized germinoma received eithe...

Journal: :IET Communications 2010
Bahareh Akhbari Mahtab Mirmohseni Mohammad Reza Aref

The discrete memoryless state-dependent relay channel (SD-RC) is considered in this study. Two main cases are investigated: SD-RC with non-causal channel state information (CSI) and SD-RC with causal CSI. In each case, the SD-RC with partial CSI at the source and the relay is considered. As special cases it includes three different situations in which perfect CSI is available: (i) only at the s...

Journal: :Pain practice : the official journal of World Institute of Pain 2012
Tom G Mayer Randy Neblett Howard Cohen Krista J Howard Yun H Choi Mark J Williams Yoheli Perez Robert J Gatchel

Central sensitization (CS) has been proposed as a common pathophysiological mechanism to explain related syndromes for which no specific organic cause can be found. The term "central sensitivity syndrome (CSS)" has been proposed to describe these poorly understood disorders related to CS. The goal of this investigation was to develop the Central Sensitization Inventory (CSI), which identifies k...

2013
Chun-Cheng Chen Antonis Armoundas

Cardiovascular system identification (CSI) is an inverse modeling approach to studying the physiological mechanisms underlying fluctuations in cardiovascular signals. Because the results of CSI analysis are able to characterize these mechanisms, it may potentially be used a intelligent monitoring tool for observing alterations in cardiovascular state. In this thesis, an automated system, which ...

Journal: :Accident; analysis and prevention 2008
Yingfeng Li Yong Bai

Highway work zones interrupt regular traffic flows and create safety problems. Improving safety without sacrificing the main function of highways is a challenging task that traffic engineers and researchers have to confront. In this study, the concept of using crash severity index (CSI) for work zone safety evaluation was proposed and a set of CSI models were developed through the modeling of w...

2000
A. S. Tremsin O.H.W. Siegmund

The photoemissive stability of as-deposited and heat-treated CsI, KI and KBr evaporated thin "lms under UV radiation is examined in this paper. After the deposition, some photocathodes were annealed for several hours at 903C in vacuum and their performance was then compared to the performance of non-heated samples. We observed that the post-evaporation thermal treatment not only increases the p...

Journal: :IJCNIS 2010
Jun Lu Te-Shun Chou Jean Andrian

This paper proposes a unique low complexity semi-blind channel estimation and data detection receiver for downlink MC-CDMA systems. In this iterative scheme, the CSI is predicted through short range wireless channel prediction algorithm initially. With the predicted CSI, the novel data detection based on PIC is employed to achieve the data decision results. The refined CSI is acquired from the ...

2008
ALAN COLEY NICOS PELAVAS

In this paper we study Lorentzian spacetimes for which all polynomial scalar invariants constructed from the Riemann tensor and its covariant derivatives are constant (CSI spacetimes) in three dimensions. We determine all such CSI metrics explicitly, and show that for every CSI with particular constant invariants there is a locally homogeneous spacetime with precisely the same constant invarian...

2006
Tae Jin Hwang Sang Soon Park Ho Seon Hwang

This paper discusses an adaptive modulation technique combined with space-frequency block coded OFDM(SFBC OFDM) over frequency selective channels and evaluates the performance in terms of the outdated channel state information(CSI) in mobile environments. This paper employs the Alamouti’s diversity scheme in multiple input multiple output OFDM (MIMO OFDM) and an adaptive modulation with enhance...

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