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Research of Astronautic Digital Camera High-speed Data Transmission Technology

Author: HuChangHong
Tutor: YuZheZhou
School: Jilin University
Course: Software Engineering
Keywords: RocketIO DPS Optical fiber xc2vp40
CLC: TP311.52
Type: Master's thesis
Year: 2008
Downloads: 145
Quote: 1
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The high transmission rate of data transmission technology is the key technology of the address space digital camera to obtain a large number of image information transmission problems . With the application of electro-optic ( Electro -Optical ) camera and high-speed processors and other advanced technologies in the field of meteorological and earth resource satellite , man-made spacecraft and high-performance aircraft , high-performance data processing system DPS (Data Processing System ) When there is an urgent need for reliable , high speed data transfer . This study is of aerospace digital camera based on FPGA technology and fiber optic transmission technology to solve the problem of high-speed transfer of image data . 1) on the basis of the characteristics of high transmission rate of the data acquisition and processing system , difficult and trends , analysis of the high transmission rate of the serial bus interface architecture with multi-channel parallel transmit data bus interface differences , advantages and disadvantages . The Rocket IO module characteristics , structure , design elements and aerospace digital camera project requirements, the proposed multi-channel parallel transmission data into a high transfer rate serial data key technical solutions . 2 ) based on multiple parallel transmission of data transfer theory of high transmission speed serial data design Rocket IO modules based on Xilinx Virtex-Ⅱ Pro , a high-speed serial data interface fiber-optic media . The PCB layout Theory of the serial data simultaneously , relying on high-speed PCB design principle Virtex-Ⅱ Pro xc2vp40 - based multi-channel parallel data transfer high transfer rate , and gives a concrete realization of the design . 3) based on closed-loop self send and receive serial data signal to the test method of the basic theory of high transmission rate of the serial interface with the fiber optic interconnection module . Testing of experimental platform that can reduce the complexity of system design , to optimize the system structure , improve system reliability , and ease of expansion and improvement of the system : advanced serial switching bus architecture .

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