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Images of patterns are processed with some image processing technology, such as spatial intensity distribution, spatial correlation function and Fourier transformation, thus some important intrinsic elements of active plasma and pattern formation can be presented more clearly. Images of disordered grids, spiral pattern and big spot hexagonal pattern are obtained in dielectric barrier discharge system...
Images of patterns are processed with some image processing technology, such as binary image processing, space correlation function and Fourier transformation, thus some important intrinsic elements of active plasma and pattern formation can be presented more clearly. Images of random filaments, hexagonal, hexagonal superlattice pattern, and chaos state are obtained in dielectric barrier discharge...
A new method for the design of pulse shapes for OFDM systems is presented. This method is based on a class of band-limited basis functions that are simultaneously energy-concentrated. The resulting pulses are short in time duration, and optimizable in the frequency domain. We illustrate the advantage of the method via the construction of a sequence of pulses that have both a lower intercarrier interference...
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