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Autocorrelation - Wikipedia, the free encyclopedia
Autocorrelation is a mathematical tool used frequently in signal processing for analysing functions or series of values, such as time domain signals. ...
en.wikipedia.org/wiki/Autocorrelation - 39k - Cached - Similar pages
Optical autocorrelation - Wikipedia, the free encyclopedia
In optics, various autocorrelation functions can be experimentally realized. The field autocorrelation may be used to calculate the spectrum of a source of ...
en.wikipedia.org/wiki/Optical_autocorrelation - 34k - Cached - Similar pages
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Autocorrelation -- from Wolfram MathWorld
be a periodic sequence, then the autocorrelation of the sequences, sometimes called the periodic autocorrelation (Zwillinger 1995, p. 223), is the sequence ...
mathworld.wolfram.com/Autocorrelation.html - 28k - Cached - Similar pages
1.3.5.12. Autocorrelation
Although the time variable, X, is not used in the formula for autocorrelation, the assumption is that the observations are equi-spaced. ...
www.itl.nist.gov/div898/ handbook/eda/section3/eda35c.htm - 9k - Cached - Similar pages
1.3.3.1. Autocorrelation Plot
In addition, autocorrelation plots are used in the model identification stage for Box-Jenkins autoregressive, moving average time series models. ...
www.itl.nist.gov/div898/ handbook/eda/section3/autocopl.htm - 12k - Cached - Similar pages
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What is autocorrelation?
Autocorrelation is the correlation of a signal with itself (Parr 1999). This is unlike cross-correlation, which is the correlation of two different signals ...
cnx.org/content/m13391/latest/ - 19k - Cached - Similar pages
Autocorrelation of Random Processes
Summary: The module will explain Autocorrelation and its function and properties. Also, examples will be provided to help you step through some of the more ...
cnx.org/content/m10676/latest/ - 57k - Cached - Similar pages
Convolution and Autocorrelation
Here the difference between autocorrelation and convolution is illustrated by considering the following function which is a unit ramp cut off at t = 1. ...
cnyack.homestead.com/files/aconv/convau1.htm - 4k - Cached - Similar pages
[PDF] Lecture notes on Waves/Spectra Noise, Correlations and .
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The autocorrelation function tells us the time interval over which a correlation in the ... autocorrelation function there is only time history of data. ...
coke.physics.ucla.edu/laptag/ plasma_course.dir/Lecture5.pdf - Similar pages
autocorrelation of random processes
cnx.rice.edu/content/m10676/latest/ - Similar pages
Testing for Autocorrelation
The following options on the OLS command can be used to obtain test statistics for detecting the presence of autocorrelation in the residuals. ...
shazam.econ.ubc.ca/intro/testauto.htm - 11k - Cached - Similar pages
Ritter's Noise Glossary
The autocorrelation result is typically a correlation computed for every possible ... The autocorrelation values are computed here using FFT techniques. ...
www.ciphersbyritter.com/NOISE/NOISGLOS.HTM - 29k - Cached - Similar pages
ECONOMETRICS: AN APPLIED APPROACH - Chapter 12
Chapter 12: Autocorrelation. Related links:. Online Statistical Calculators and Tables: This page contains links to online calculators that compute either ...
www.oswego.edu/~kane/econometrics/chap12.htm - 2k - Cached - Similar pages
Swamp Optics--Ultrashort Laser Pulse Measurement Tutorials
The intensity autocorrelation was the first attempt to measure an ... This is the intensity autocorrelation. The superscript (2) implies that it's a ...
www.swampoptics.com/tutorials_autocorrelation.htm - 14k - Cached - Similar pages
Cross Correlation
When the correlation is calculated between a series and a lagged version of itself it is called autocorrelation. A high correlation is likely to indicate a ...
local.wasp.uwa.edu.au/~pbourke/other/correlate/ - 13k - Cached - Similar pages
Investment Performance Analysis - Autocorrelation
In a general context, "autocorrelation" (also called "serial correlation") is the correlation between observations of a time series with lagged observations ...
www.andreassteiner.net/performanceanalysis/ ?Risk_Measurement:Advanced_Topics:Autocorrelation - 23k - Cached - Similar pages
Autocorrelation - GNU Scientific Library -- Reference Manual
20.4 Autocorrelation. Function: double gsl_stats_lag1_autocorrelation ( const ... This function computes the lag-1 autocorrelation of the dataset data . ...
www.gnu.org/software/gsl/ manual/html_node/Autocorrelation.html - 4k - Cached - Similar pages
Autocorrelation
Correlation of a variable with itself, whenever considering observations with a gap in time (temporal autocorrelation) or in space (spatial autocorrelation) ...
www.hypergeo.eu/article.php3?id_article=223 - 16k - Cached - Similar pages
Autocorrelation
Source:, Auto_Corr.java. Installation:, Copy Auto_Corr.class to the plugins folder and restart ImageJ. Description:, Autocorrelation Plugin Manual ...
rsb.info.nih.gov/ij/plugins/acf.html - 2k - Cached - Similar pages
[PDF] An Introduction to Spatial Autocorrelation Analysis with GeoDa Luc ...
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The first step in the analysis of spatial autocorrelation is to .... autocorrelation. GeoDa computes this on the fly, so you don t have to create a spatial ...
www.sal.uiuc.edu/stuff/stuff-sum/pdf/spauto.pdf - Similar pages
Autocorrelation Display
The ACORR analyzer displays the autocorrelation function. The x- axis is the time as milliseconds. The y axis is the correlation. ...
www.skysweep.com/autocorrelation_display.htm - 6k - Cached - Similar pages
Autocorrelation
The cross-correlation of a signal with itself gives its autocorrelation: ... is real, its autocorrelation is real and even (symmetric about lag zero). ...
ccrma.stanford.edu/~jos/mdft/Autocorrelation.html - 14k - Cached - Similar pages
Biased Sample Autocorrelation
The sample autocorrelation defined in (5.1) is not quite the same as the autocorrelation function for infinitely long discrete-time sequences defined in ...
ccrma.stanford.edu/~jos/sasp/ Biased_Sample_Autocorrelation.html - 12k - Cached - Similar pages
Autocorrelation
Autocorrelation - Definition of Autocorrelation on Investopedia - A mathematical representation of the degree of similarity between a given time series and ...
www.investopedia.com/terms/a/autocorrelation.asp - 30k - Cached - Similar pages
What is autocorrelation? - Blurtit
Autocorrelation is a very important part of the statistics. Autocorrelation of a function means the correlation of a function taken to it self where ...
www.blurtit.com/q826864.html - 49k - Cached - Similar pages
autocorrelation range
Program: Autocorrelation-range EIS entry: %N A005434 Correlations of length n. This program computes the kappa sequence of [Guibas, Odlyzko 1981] here ...
www.mathematik.uni-bielefeld.de/ ~sillke/SEQUENCES/autocorrelation-range.c - 13k - Cached - Similar pages
Autocorrelation functions
Thanks to Josko Poljak for prompting me to check the autocorrelation functions. What is autocorrelation? Define the standard deviation sigma_x of a time ...
www.physics.emory.edu/~weeks/research/tseries6.html - 19k - Cached - Similar pages
Autocorrelation of Strings A comment on entries A005434 and ...
This binary vector is called the autocorrelation of the word and has the same length as the word. Not all possible binary vector of length n are ...
www.lirmm.fr/~rivals/RESEARCH/PERIOD/ - 34k - Cached - Similar pages
GIS Dictionary - ESRI Support
See Also : correlation, spatial autocorrelation, Tobler's First Law of Geography ... Temporal data is said to exhibit serial autocorrelation when values ...
support.esri.com/index.cfm?fa=knowledgebase. gisDictionary.search&searchTerm=autocorrelation - 28k - Cached - Similar pages
The autocorrelation method
The autocorrelation method. ... is only dependent on the difference, i-j, and may be written in terms of the autocorrelation function, ...
svr-www.eng.cam.ac.uk/~ajr/SA95/node41.html - 5k - Cached - Similar pages
[PDF] Trading Autocorrelation May, 2003
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Some of these contracts on autocorrelation have important im- ..... While equities typically display low autocorrelation, many com- ...
www.math.nyu.edu/research/carrp/ papers/pdf/tradingmeanreversionoh.pdf - Similar pages
chronos' bookmarks tagged with "autocorrelation" on del.icio.us
to dynamic social network analysis methodology statistics behaviour influence autocorrelation triad ... on march 08. earlier | later showing the only ...
del.icio.us/chronos/autocorrelation - 53k - Cached - Similar pages
Introductory Econometrics Chapter 20: Autocorrelation
This violation of the classical econometric model is generally known as autocorrelation of the errors. As is the case with heteroskedasticity, OLS estimates ...
caleb.wabash.edu/econometrics/ EconometricsBook/chap20.htm - 14k - Cached - Similar pages
Multivariate Statistics - Spatial Autocorrelation
Spatial autocorrelation is an assessment of the correlation of a variable in reference to spatial location of the variable.
www.pfc.forestry.ca/profiles/ wulder/mvstats/spatial_e.html - 16k - Cached - Similar pages
[PDF] Using the Autocorrelation Function in NIH-Image to Determine Shape ...
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Students develop understanding of what the autocorrelation function does by using ... The autocorrelation function works on almost any image that shows a ...
serc.carleton.edu/files/NAGTWorkshops/ structure04/NIH_Image.pdf - Similar pages
Autocorrelation function - What does ACF stand for? Acronyms and ...
What does ACF stand for? Definition of Autocorrelation function in the list of acronyms and abbreviations provided by the Free Online Dictionary and ...
acronyms.thefreedictionary.com/Autocorrelation+function - 33k - Cached - Similar pages
Momentum and Autocorrelation in Stock Returns
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Empirically the autocorrelation patterns in returns are inconsistent with ...... momentum profits are (almost) equivalent to positive autocorrelation in ...
rfs.oxfordjournals.org/cgi/reprint/15/2/533.pdf - Similar pages
Autocorrelation | DSPRelated.com
I'm trying to copmute the autocorrelation matrix of array outputs and suspect i may be doing something wrong. I'm confident that i'm getting the right ...
www.dsprelated.com/comp.dsp/keyword/Autocorrelation.php - 43k - Cached - Similar pages
[PDF] MONOPHONIC TRANSCRIPTION WITH AUTOCORRELATION Giuliano Monti, Mark ...
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monophonic music tracks, using an autocorrelation pitch tracker. .... If the short-time autocorrelation is calculated on a monophonic ...
profs.sci.univr.it/~dafx/ Final-Papers/pdf/Monti_DAFX00poster.pdf - Similar pages
[PPT] Spatial Autocorrelation
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Most statistics are based on the assumption that the values of observations in each sample are independent of one another; Positive spatial autocorrelation ...
www.css.cornell.edu/courses/620/lecture9.ppt - Similar pages
Momentum and Velocity Autocorrelation Functions of a Diatomic ...
Momentum and Velocity Autocorrelation Functions of a Diatomic Molecule Are Not Necessarily Proportional to Each Other ...
pubs.acs.org/cgi-bin/abstract.cgi/ jpcbfk/asap/abs/jp0730951.html - Similar pages
Autocorrelation
Autocorrelation - definitions, examples and references from iSixSigma - The Six Sigma Quality Reference.
www.isixsigma.com/dictionary/Autocorrelation-522.htm - 63k - Cached - Similar pages
SSRN-Institutional Trading and Stock Return Autocorrelation ...
SSRN-Institutional Trading and Stock Return Autocorrelation: Empirical Evidence on Polish Pension Fund Investors' Behavior by Bartosz Gebka, Harald Henke, ...
papers.ssrn.com/sol3/papers.cfm?abstract_id=460862 - 32k - Cached - Similar pages
Stick boundary conditions and rotational velocity auto-correlation ...
This allows us to measure colloidal rotational velocity auto-correlation functions by direct computer simulation. We find quantitative agreement with Enskog ...
www.iop.org/EJ/abstract/0953-8984/17/45/027 - Similar pages
Convex optimization problems involving finite autocorrelation ...
Autocorrelation constraints in optimization problems are often approximated by sampling the corresponding power spectral density, which results in a set of ...
www.ee.ucla.edu/~vandenbe/alv01b.htm - 6k - Cached - Similar pages
LPC/RC to Autocorrelation :: Blocks - Alphabetical List (Signal ...
The LPC/RC to Autocorrelation block either converts linear prediction coefficients (LPCs) to autocorrelation coefficients (ACs) or reflection coefficients ...
www.mathworks.com/access/helpdesk/ help/toolbox/dspblks/ref/lpcrctoautocorrelation.html - 10k - Cached - Similar pages
Autocorrelation :: Blocks - Alphabetical List (Signal Processing ...
The Autocorrelation block computes the autocorrelation of each channel in an input matrix or vector, u. The block computes the autocorrelation along each ...
www.mathworks.com/access/helpdesk/ help/toolbox/dspblks/ref/autocorrelation.html - 16k - Cached - Similar pages
Autocorrelation plots
Autocorrelation plots. You will then be given the option of producing a plot of the ... figure528 Figure 4: CODA autocorrelation plots for the line example ...
www.mrc-bsu.cam.ac.uk/bugs/ documentation/coda03/node32.html - 3k - Cached - Similar pages
Eigenanalysis of Autocorrelation Matrices in the Presence of ...
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values of an autocorrelation matrix in the presence of signal-de- ... We consider the case where the two autocorrelation matrices ...
ieeexplore.ieee.org/iel5/ 97/30119/01381456.pdf?arnumber=1381456 - Similar pages
Publications about 'autocorrelation'
SPM is a Matlab software package implementing Statistical Parametric Mapping for neuroimaging data.
www.fil.ion.ucl.ac.uk/spm/ doc/biblio/Keyword/AUTOCORRELATION.html - 10k - Cached - Similar pages

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