Lifang Dong

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The formation of the spiral patterns in dielectric-barrier discharge is investigated through instantaneous pictures at successive driving half cycles taken by an intensified-charge coupled device (ICCD). The filaments discretely distributed in each instantaneous picture corresponding to one discharge pulse indicate that they are the basic unit of the spiral(More)
A series of periodic spatiotemporal patterns are presented in air dielectric barrier discharge, which undergo the evolvement sequence from random spots--hexagon pattern--white-eye pattern-chaos, when increasing the applied voltage. By using image processing method, including the Fast Fourier Transform, read and display technique, the structures of different(More)
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