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The 3-D substantial model is built for an ultrahigh voltage transformer coil, the equipotential shielding and the bushing end. This model is properly simplified according to the symmetrical structure of the coil. The electric field intensity around the transformer high-voltage coil and the equipotential shielding are calculated on the basis of the finite element method. It is found that the distribution...
The classification of mental tasks is one of the key issues of Brain Computer Interface (BCI). Owing to its powerful capacity in solving non-linearity problems, Support Vector Machine (SVM) has been widely used in classification. Traditional SVM, however, assumes that each feature of a sample contributes equally to classification accuracy, which is not necessarily true in real world applications....
Induction coil is one of the key components of permanent magnet vibration-to-electrical power generator (VEPG). Here, the equivalent turn number of coil (ETNC) is introduced to build the relationship between the induction coil's structure and magnetic field. And the dynamic magnetic flux density is calculated by finite element method (FEM). The optimized induction coil is fabricated according to the...
In head MRI image sequences, the boundary of each encephalic tissue is highly complicated and irregular. It is a real challenge to traditional 3D modeling algorithms. Support vector machine (SVM) based on statistical learning theory has solid theoretical foundation. sphere-shaped SVM (SSSVM) was originally developed for solving some special classification problems. In this paper, it is extended to...
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