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The paper, based on the current researches on the regulation and control of digital cognitive competence by transcranial direct current stimulation (TDCS), adopts stimulation device developed by Tsinghua University to launch the analysis experiment of cognitive behaviors aiming at the key problem of the application effects of TDCS, compares the influences of stimulating electrode parameters on digital...
A space-time array difference magnetotelluric method is proposed in order to suppress the correlated noise and obtain reliable plane wave impedance data in strong interference region. First, we established a model of electromagnetic prospecting system with multi-input and multi-output. Both natural and man-made electromagnetic field is considered to incidence to earth simultaneously, constitute a...
Level set methods have been extensively used in contour recognition and image segmentation. The traditional level set methods require to initialize the level set function regularly and are strongly dependent on initial contour position thus there are many problems about the methods. Considering those problems, this article proposed a new level set method to draw geometric active contour self-adaptively...
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