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Related to Cross-correlation: Autocorrelation, convolution
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Firstly, two-dimensional displacements in the axial and the lateral directions are estimated using the cross-correlation method.
The probe cover C band, can also enter the WDM network all branch, combined with the cross-correlation operation, can realize high precision positioning of WDM optical fiber network breakpoint, extremely high spatial resolution measurements, and the resolution independent of detection distance, in the detection terminal through methods of filtering wave can identify the branch [30].
If we compute cross-correlations only on the basis of post-1984 data, the results are uniformly weaker (figure 3).
The threshold value of the normalized cross-correlation was selected as 0.
Cross-correlation analysis with different transformation gives us contradictory result such as negative as well as positive values shown by logarithmic form and H-P Filtered, while deviation from H-P Filtered trend explains that real exchange rate is negatively correlated with the real output.
The cross-spectrum, which is the Fourier transform of the cross-correlation, is
Let us note that such a cross-correlation between dichotomous noises may result from either of the two following reasons: the two noises are either partly of the same origin or are influenced by the same factors.
As observable in the graph (Figure 2), a clear pattern of cross-correlation between REIT and REOC returns is found; it seems that the highest correlation (0.
Spatial cross-correlation is an extension of the well-known concept of linear correlation for univariate random variables.
The relationship between the activation of the two portions of the rectus abdominis muscle during the different tasks were compared by amplitude and cross-correlation analyses between the EMG signals that were recorded from the two portions.
Cross-correlation with a library of supernova spectra using the 'Supernova Identification' code (Blondin & Tonry 2007, ApJ.