نتایج جستجو برای: autocorrelation

تعداد نتایج: 11264  

2014
Wenping MA Tongjiang YAN Yuhua SUN

Binary sequences which have low autocorrelation values have important applications in communication systems and cryptography. In this paper, the autocorrelation values of the third class binary Whiteman generalized cyclotomic sequences of order six and period pq are discussed completely. Our result shows that the autocorrelation of these sequences is four-valued and that the corresponding value...

1998
B. Joó

We present results from our study of the Parallel Tempering algorithm. We examine the swapping acceptance rate of a twin subensemble PT system. We use action matching technology in an attempt to maximise the swap acceptance rate. We model the autocorrelation times within Parallel Tempering ensembles in terms of autocorrelation times from Hybrid Monte Carlo. We present estimates for the autocorr...

2011
YANG SHAO

This paper introduces the spatial panel autocorrelation model, utilizes C-D production functions, constructs the spatial econometric model and finally studies the spatial correlativity between provincial economic growth and logistics. By using the spatial package of Matlab software, it verifies the possibility if there is the remarkable autocorrelation of the Chinese provincial economic growth ...

2008

When the input to a quantizer is a sampled time series represented by x1, x2, x3, . . . , the quantization noise is a time series represented by ν1, ν2, ν3, . . . Suppose that the input time series is stationary and that its statistics satisfy the conditions for multivariable QT II (it would be sufficient that two-variable QT II conditions were satisfied for x1 and x2, x1 and x3, x1 and x4, and...

انصاری, حجت اله, راعی, رضا , سارنج, علیرضا,

Mean reversion in stock prices is one of the stock market anomalies that contradicts efficiency of markets. This means that price movement in stock market has a tendency to be cancelled/naturalized in the long monthly and yearly periods. Therefore, this study aims at investigating mean reversion in Tehran Security Exchange. For the purpose of this study, unit root test and autocorrelation test ...

Journal: :Journal of Physics A: Mathematical and General 1994

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The present research about the spatial changes of precipitation is mainly focused on western areas of Iran. Precipitation data for three seasons of fall, winter, and spring have been obtained from Esafzari Database, with 15*15 km spatial resolution in the form of a Lambert Cone Image System for the period from 1986 to 2015. To examine the prevailing pattern of precipitation in west of Iran, we ...

ژورنال: فیزیک زمین و فضا 2020

Considering the great application of Sea Surface Temperature (SST) in climatic and oceanic investigations, this research deals with the investigation of spatial autocorrelation pattern of SST data obtained from AVHRR sensor for Gulf of Oman from 2003 to 2015 (13 years). To achieve this aim, two important spatial statistics, i.e. global Moran and Anselin local Moran’s I were employed within mont...

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