نتایج جستجو برای: term period is established evaluation process includes introducing fourier series
تعداد نتایج: 8539268 فیلتر نتایج به سال:
We develop an algorithm for numerically inverting multi-dimensional transforms. Our algorithm applies to any number of continuous variables (Laplace transforms) and discrete variables (generating functions). We use the Fourier-series method; i.e., the inversion formula is the Fourier series of a periodic function constructed by aliasing. This amounts to an application of the Poisson summation f...
it is not possible to understand developments of a country’s culture and civilization without knowing his believes and myths. whether it is north or south, east or west, planes or mountains, sahara or deserts, here in iran every corner includes valuable and precious treasures which are known all over the world, and cultural – historical objects which are found here adorn all well known museums...
Handwoven carpets as one of the main export items of Iran during the Qajar period underwent significant integration with the world economy after a series of foreign companies were established. As a result, the design, pattern, dyeing, and even weaving techniques of carpets changed significantly. There have not been enough considerations of all of these effects so far. We investigate the effects...
River flow forecasting plays an important role in planning, management and operation of water resources. To achieve this goal and according to the phenomenon of global warming, it is necessary to simulate the daily time series of rainfall and runoff for future periods. Therefore, it is important to survey the detection of climate change event and its impact on precipitation and runoff in the ba...
The self-controlled case series method may be used to study the association between a time-varying exposure and a health event. It is based only on cases, and it controls for fixed confounders. Exposure and event histories are collected for each case over a pre-defined observation period. The method requires that observation periods should be independent of event times. This requirement is viol...
Checkpointing and message logging are the popular and generalpurpose tools for providing fault tolerance in distributed systems. Diskless checkpointing schemes enable frequent checkpointing without a performance penalty. The present work extends James S Plank‟s Diskless checkpointing scheme (N+1 Parity) by introducing ‘Timeout’ mechanism to checkpoint programs with high locality of reference. T...
For most orthogonal systems and their corresponding Fourier series, the study of the almost everywhere convergence for functions in L requires very complicated research, harder than in the case of the mean convergence. For instance, for trigonometric series, the almost everywhere convergence for functions in L is the celebrated Carleson theorem, proved in 1966 (and extended to L by Hunt in 1967...
the changes in todays world organization, to the extent that instability can be characterized with the most stable organizations called this afternoon. if you ever change management component, an additional value to the organization was considered, today, these elements become the foundation the organization is survival. the definition of the entrepreneur to identify opportunities to exploit a...
This paper deals with a short term forecasting non-stationary time series using wavelets and splines. Wavelets can decompose the series as the sum of two low and high frequency components. Aminghafari and Poggi (2007) proposed to predict high frequency component by wavelets and extrapolate low frequency component by local polynomial fitting. We propose to forecast non-stationary process u...
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