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Recently State Grid Corporation has issued the Implementing Rules of Reliability Evaluation of Transmission System (IRRETS), in which the loop is firstly introduced into the reliability evaluation. Accordingly the reliability evaluation of the distribution grid can be based on loop-outage model instead of the basic elements. The evaluation can be made through three levels: element-loop-system. In...
With rapid development of economy in Hainan, the environmental issue has become more and more a focus of attention. On the basis of current research achievements on carrying capacity, first of all, this article established a model of carrying capacity taking into consideration of island environmental factors. Then, with the method of this model, this article made an empirical analysis on the environmental...
Aiming at threshold uncertainty caused by fuzziness of image for image segmentation, an adaptive thresholding method for gray-level image segmentation using type-II fuzzy sets is proposed . Fuzzy index is got using type-II fuzzy sets technique, that can overcome effectively the uncertainty, histogram peaks value of an image can be find out automatically based on maximum Mahalanobis distance and minimum...
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