Articles with "spatial smoothing" as a keyword



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Spatial smoothing of onshore wind:: Implications for strategic development in Scotland

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Published in 2017 at "Energy Policy"

DOI: 10.1016/j.enpol.2017.06.038

Abstract: Abstract High levels of wind penetration is widely accepted as presenting problems for energy security. With increasing wind deployment this issue is well recognised in Scotland. Spatial smoothing of generation is seen as one method… read more here.

Keywords: wind; scotland; energy; spatial smoothing ... See more keywords
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Functional overestimation due to spatial smoothing of fMRI data

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Published in 2017 at "Journal of Neuroscience Methods"

DOI: 10.1016/j.jneumeth.2017.08.003

Abstract: BACKGROUND Pearson correlation (simply correlation) is a basic technique for neuroimage function analysis. It has been observed that the spatial smoothing may cause functional overestimation, which however remains a lack of complete understanding. Herein, we… read more here.

Keywords: fmri data; functional overestimation; correlation; spatial smoothing ... See more keywords
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Simplified Spatial Smoothing for DOA Estimation of Coherent Signals

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Published in 2023 at "IEEE Transactions on Circuits and Systems II: Express Briefs"

DOI: 10.1109/tcsii.2022.3214321

Abstract: In coherent direction of arrival (DOA) estimation, subspace-based methods suffer from performance deterioration because of the rank loss of the signal covariance matrix. A variety of spatial smoothing preprocessing techniques have been proposed for decorrelation,… read more here.

Keywords: doa estimation; matrix; signal matrix; spatial smoothing ... See more keywords
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Source Resolvability of Spatial-Smoothing-Based Subspace Methods: A Hadamard Product Perspective

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Published in 2019 at "IEEE Transactions on Signal Processing"

DOI: 10.1109/tsp.2019.2908142

Abstract: A major drawback of subspace methods for direction-of-arrival estimation is their poor performance in the presence of coherent sources. Spatial smoothing is a common solution that can be used to restore the performance of these… read more here.

Keywords: subspace methods; source; hadamard product; spatial smoothing ... See more keywords