نتایج جستجو برای: scale seperation

تعداد نتایج: 577022  

Journal: :desert 0
h. rouhani assistant professor, university of gonbad_e_ kavous, gonbad-e-kavous, iran a. malekian assistant professor, university of tehran, karaj, iran

understanding of the runoff generation processes is important in understanding the magnitude and dynamics ofgroundwater discharge. however, these processes continue to be difficult to quantify and conceptualize. in this study,two digital filter based separation modules, the recursive filtering method (rdf) and a generalization of therecursive digital filter (grdf) were1991–2002 in the hableh ro...

1999
Daniel Braun Petr A. Braun Fritz Haake

A Schrödinger cat state is a linear superposition of two quantum states that differ on a macroscopic scale. Whereas superpositions of quantum states are commonplace in the microscopic world, a superposition of macroscopically distinct states is practically never observed. The understanding of why this is so has evolved considerably with the development of the quantum mechanics of dissipative sy...

2013
Sergey Tverdyshev Oto Havle Holger Blasum Abderrahmane Feliachi Yakoub Nemouchi Burkhart Wolff

We introduce a theory of intransitive noninterference for separation kernels with control. We show that it can be instantiated for a simple API consisting of IPC and events.

2013
Mehmet Elmadag Hasan H. Ceylan Ahmet Can Erdem Kerem Bilsel Gokcer Uzer Mehmet Ali Acar

Pediatric hip fractures and dislocations are rare in practice and are related to high-energy trauma. The incidence of postoperative avascular necrosis is increasing, especially in the case of transepiphyseal fractures. Surgery is the most common form of treatment, and its timing is important for prognosis of the fracture. Patients and their families should be informed about the possibility of a...

2011
Chunsun Zhang Mohammad Awrangjeb

Effective separation of buildings from trees is a major challenge in automatic building detection from aerial imagery and Lidar data. In cases where an adopted building detection technique cannot distinguish between these two classes of objects, the presence of trees in the scene can increase the rates of both false positives and false negatives in the building detection process. This paper pre...

2012
Emmanuel Vincent

Audio source separation aims to extract the signals of individual sound sources from a given recording. In this paper, we review three recent advances which improve the robustness of source separation in real-world challenging scenarios and enable its use for multisource content retrieval tasks, such as automatic speech recognition (ASR) or acoustic event detection (AED) in noisy environments. ...

1999
Eli Ben-Sasson Russell Impagliazzo Avi Wigderson

We present the best known separation between tree-like and general resolution, improving on the recent exp(n) separation of BEGJ98]. This is done by constructing a natural family of contradictions, of size n, that have O(n)-size resolution refutations, but only exp(((n= log n))-size tree-like refutations. This result implies that the most commonly used automated theorem procedures, which produc...

Journal: :Journal of Research of the National Bureau of Standards 1939

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