Xinpeng Di

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A high performance interface circuit of sigma-delta accelerometer with low harmonic distortion used many kinds of circuit processing techniques is presented in this work. Multi-bit, dynamic element matching, correlated-double-sampling and electrostatic force feedback linearization circuit are used simultaneously in order to achieve the design indicators.(More)
G/Ag2S composites were synthesized for the first time by a hydrothermal method. X-ray diffraction, scanning electron microscopy, and transmission electron microscopy analysis demonstrated that Ag2S nanoparticles with a diameter of about 130 nm uniformly covered the graphene surfaces. G/Ag2S composites were dispersed in methyl methacrylate (MMA), polymerized(More)
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