نتایج جستجو برای: uncertainties

تعداد نتایج: 43918  

1992
Ulf H. Danielsson

In this work the quantum theory of two dimensional dilaton black holes is studied using the Wheeler De Witt equation. The solutions correspond to wave functions of the black hole. It is found that for an observer inside the horizon, there are uncertainty relations for the black hole mass and a parameter in the metric determining the Hawking flux. Only for a particular value of this parameter, c...

2005
D. V. Spracklen G. W. Mann

A global off-line model of size-resolved aerosol microphysics: II. Identification of key uncertainties D. V. Spracklen, K. J. Pringle, K. S. Carslaw, M. P. Chipperfield, and G. W. Mann Institute of Atmospheric Science, School of Earth and Environment, University of Leeds, UK Received: 21 January 2005 – Accepted: 16 April 2005 – Published: 30 May 2005 Correspondence to: D. V. Spracklen (dominick...

Journal: :Proceedings for Social Sciences Matica Srpska 2002

Journal: :journal of optimization in industrial engineering 2013
behnam vahdani mani sharifi

the development of optimization and mathematical models for closed loop supply chain (clsc) design has attracted considerable interest over the past decades. however, the uncertainties that are inherent in the network design and the complex interactions among various uncertain parameters are challenging the capabilities of the developed tools. the aim of this paper, therefore, is to propose a n...

Journal: :journal of water sciences research 2013
m yasi r hamzepouri a.r yasi

flow and sediment transport processes are different and more complex in coarse-bed rivers than in sand-bed rivers. the main goal of the present study is to evaluate different modes of sediment transport using different hydrometric and hydraulic methods, and to address the major uncertainties. four river reaches were selected as representatives of coarse-bed rivers in the northwest of iran. a se...

2009
T. M. L. Wigley H. D. Jacoby J. M. Reilly

The atmospheric composition, temperature and sea level implications out to 2300 of new reference and cost-optimized stabilization emissions scenarios produced using three different Integrated Assessment (IA) models are described and assessed. Stabilization is defined in terms of radiative forcing targets for the sum of gases potentially controlled under the Kyoto Protocol. For the most stringen...

Journal: :IEEE Design & Test of Computers 2006
Kwang-Ting Cheng

DRASTIC DEVICE SHRINKING, lower power supply levels, and increasing operating speeds significantly reduce noise margins and increase variations in process, device, and design parameters. These trends lead to lower reliability and higher design uncertainty for hardware components. With further technology scaling, high variability and low reliability are bound to become the predominant challenges...

2009
Noa Agmon Sarit Kraus Gal A. Kaminka

In this paper, we study the problem of multi-robot perimeter patrol in adversarial environments, under uncertainty. In this problem, the robots patrol around a closed area, where their goal is to patrol in a way that maximizes their chances of detecting an adversary trying to penetrate into the area. Uncertainties may rise in different aspects in this domain, and herein our focus is twofold. Fi...

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