نتایج جستجو برای: benchmarking of time series

تعداد نتایج: 21284991  

Journal: :Advanced Engineering Informatics 2008
Amy J. C. Trappey Tzu-An Chiang

In today’s highly competitive marketplace, technology-driven organizations widely adopt decentralized profit-center business model. In order to complete a series of new product development (NPD) activities on time and within budgetary constraints, the NPD managers need an objective benchmarking approach to gain accurate perception on the relations of resource allocations, profits, costs and tim...

پایان نامه :0 1374

chapter i provides an overview of structural linguistics and touches upon the saussurean dichotomies with the final goal of exploring their relevance to the stylistic studies of literature. to provide evidence for the singificance of the study, chapter ii deals with the controversial issue of linguistics and literature, and presents opposing views which, at the same time, have been central to t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده کشاورزی 1390

abstract previous researches have shown success of growth hormones usage on flower production increase, pod and prevention of abscission of them in some of the pulses. two tests were done, in order to find out the effects of growth hormones to on flower production increase, pod and chick pea yield composites in farmer conditions (2010-11) and green house conditions as factorial on the proje...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده ریاضی و کامپیوتر 1387

در این پایان نامه، کلاسی از مدل های متلاطم تشریح شده که توسط مدل های رگرسیو با اندیس تولید می شوند. هر سری زمانی رفتار ویژه خاص خود را دارند و با استفاده از تکنیک های سری های زمانی استاندارد موجود نمی توانند مدل بندی شوند.این یک پدیده در بسیاری از سری های زمانی از جمله سریهای اقتصادی می باشد. از این جهت تابع خودهمبستگی و چگالی طیفی برای بسیاری از سری های مختلف رفتاری مشابه دارند و لذا برای سری ...

Journal: :آب و خاک 0
فتحی فتحی محمدی محمدی همایی همایی

abstract prediction of input flow into water resources is regarded as one of the most important issues in optimum planning and management in producing electro-water energy and optimum allocation of water into different consumption sources. different parameters affect on input discharge into dams. climate variables including temperature and rainfall have the most effect on input runoff rate to w...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1390

in this thesis, a better reaction conditions for the synthesis of spirobarbiturates catalyzed by task-specific ionic liquid (2-hydroxy-n-(2-hydroxyethyl)-n,n-dimethylethanaminium formate), calcium hypochlorite ca(ocl)2 or n-bromosuccinimide (nbs) in the presence of water at room temperature by ultrasonic technique is provided. the design and synthesis of spirocycles is a challenging task becaus...

Journal: :آب و خاک 0
مریم گل محمدی علیرضا مساح بوانی

abstract this research evaluates climate change effects on drought severity in the region of gharesou, iran. the standardized precipitation index (spi) has been used for estimation of drought severity. a geographical information system is applied for calculating the mean areal precipitation time series from 11 meteorological stations, in and out of the area for the hydrological period jan 1971-...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2011
mostafa hadian dehkordi ali masoudi-nejad morteza mohamad-mouri

bioinformatics, through the sequencing of the full genomes for many species, is increasingly relying on efficient global alignment tools exhibiting both high sensitivity and specificity. many computational algorithms have been applied for solving the sequence alignment problem. dynamic programming, statistical methods, approximation and heuristic algorithms are the most common methods applied t...

Spectral analysis considers the problem of determining (the art of recovering) the spectral content (i.e., the distribution of power over frequency) of a stationary time series from a finite set of measurements, by means of either nonparametric or parametric techniques. This paper introduces the spectral analysis problem, motivates the definition of power spectral density functions, and reviews...

2005
Pedro Trancoso Christodoulos Adamou Hans Vandierendonck

Benchmarking a system can be a time consuming operation. Therefore, many researchers have developed kernels and microbenchmarks. Nevertheless, these programs are not able to capture the details of a full application. One such example are the complex database applications. In this work we present a methodology based on a statistical method, Principal Component Analysis, in order to reduce the ex...

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