Qianyang Yu

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Over the past seven years, chemical vapor deposition has emerged as the preferred technique for the synthesis of graphene films on metal as well as other substrates. Commercial cell phones with a graphene touch screen have been introduced and roll-to-roll production tools have been demonstrated. The deposition temperature is also reduced from(More)
An algorithm for estimating displacement of the moving target and background by shift theory of Fourier transform is presented. According to the relation between the change and the Fourier transform of image sequence, the method employs the displacement value of the moving target and background by the difference of Fourier phase spectrum. The algorithm(More)
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