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The dynamic characteristics of active distribution networks (ADNs) need to be concerned if a large number of distributed generators are connected. A highly efficient and reliable dynamic simulation algorithm is therefore essential for the stability analysis of ADNs. This paper proposes a novel dynamic simulation algorithm of ADNs based on the projective integration method, which is a second-order...
X-ray computed tomography is an important technique for clinical diagnose and non destructive testing. In many applications a number of image processing steps are needed before the image information can be used. Obtaining a segmentation of the image is one such image processing step and also is important for applications. The conventional approach is to first reconstruct the image and conduct image...
Based on the analysis of the factors which affect the computing efficiency of the ray tracing method, an accelerate method of ray tracing method which can be used in open geographic environment was proposed. This method divided the whole terrain into small terrains, then chose the suit terrain which the ray emitted into after the analysis of ray features, so the number of intersection calculation...
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