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With the increasing construction of high-voltage substation, the distance between resident area and substation is getting closer. Noise of substations has been an unavoidable problem which can be controlled better by analyzing it. Otherwise, the operational conditions of equipment in substation can be predicted by comparing the measured noise signals with the signals during normal operation. Corona...
This paper presents an efficient patch-based image denoising scheme by using singular value decomposition (SVD). In this scheme, similar image patches are simply grouped together from a noisy image. For a better sparse representation of these similar patches, we firstly utilize the 2D SVD to reveal the essential features of each individual patch and then the 1D SVD to exploit the correlation between...
Self-aligned shallow trench isolation recess effect on 42 nm node NAND flash to achieve high performance and good reliability has been studied and demonstrated. As cell STI recess is increased by 23 nm, 29% narrower cell Vth distribution width and 54% less cell Vth shift after 125°C, 2 hours can be obtained. Furthermore, the endurance window is obviously improved ~0.5V as the distance of the active...
The algorithm of locally adaptive clustering for high dimensional data (LAC) processes soft subspace clustering by local weightings of features. To solve the localization of LAC in specifying the number of clusters, this paper reworks the validity index for fuzzy clustering to evaluate the clustering results of LAC. Compared with real clustered data, the method is proved feasible. In the new algorithm,...
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