Papers by Author: Chao Yuan

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Authors: Hui Li, Xiao Gang Zhou, Chao Yuan, Gen Sheng Dou
Abstract: Carbon nanotube used as the cathode material, the diode-type field emission display panel was developed with low-cost screen-printing method and precise photolithography process. The modified CNT field emitter was fabricated for improving the field emission characteristic, and the detailed fabrication process was also presented. The indium-tin-oxide film on the cathode back-plane was divided to form the CNT cathode electrode, and the insulation slurry was screen-printed to form the insulation layer. Field emission characteristic of whole display device was measured. The sealed field emission display panel showed good emission properties and high display image brightness.
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Authors: Hui Hu, Chao Yuan
Abstract: The article describes the USB-based implementation of the designing Hardware System of a GPS IF data collector, needed to collect and save a file of GPS IF data which is used to do acquisition experiment. This instrument is based on GP2015, EP2C35F484 and CY7C68013A and so on. The logic circuit of this design is programmed into FPGA to optimize and verify under the platform of Quartus II. USB firmware is developed under the platform of Keil. Experimental results show that the GPS signal can be collected and saved as a file of GPS IF data, and this system operated stably and safely.
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