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High-speed Digital Video Optical Fiber Transmission System

Author: XuHaiDong
Tutor: WangJian
School: Tianjin University
Course: Optical Engineering
Keywords: Video surveillance Optical fiber communication Transmission line Time division multiplexing Hyperlynx simulation
CLC: TN919.8
Type: Master's thesis
Year: 2007
Downloads: 234
Quote: 2
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Abstract


Video fiber optic transmission technology is an important technology used in remote monitoring and cable TV systems , with transmission bandwidth , transfer large amount of information , low transmission loss , high-quality transmission , transmission distance , and good resistance to electromagnetic interference , etc. . In this paper, a combination of digital technology and fiber optic transmission technology based on time division multiplexing technology multi-channel digital video fiber optic transmission system solutions using serial digital video signal transmission mode , multi-channel digital video signal optical fiber transmission . This dissertation includes the following tasks : 1 . Built according to the principle of high - speed digital video fiber optic transmission Rd digital video fiber optic transmission system overall program . This system uses the multi-channel digital video signal is time - division multiplexing (TDM) and data serial transfer combining the technical solution to achieve an optical fiber transmission of a high - speed digital video signal . 2 according to the general scheme of the high - speed digital video fiber optic transmission systems , the establishment of the experimental system of five- time division multiplexing of digital video signal . The system includes a digital video signal transmission module , a serial / parallel conversion circuit , the optical transceiver module and the video signal receiving module . For the composition and characteristics of the experimental system , the selection and determination of parameters of the device . 3 under the experimental system program , the video transmission system light path and circuit design , wherein the design of the circuit portion comprises : digital video signal transmission and reception circuit design , string and conversion circuit design , the optical transceiver (Laser Transceiver) circuit design as well as system The power supply circuit design . Experimental system , the key issue of high-speed circuit PCB design , the crosstalk between the high - speed signal traces , system signal synchronization and transmission line effects simulation and optimization , and conducted in-depth theoretical analysis . High-speed signal line , software Hyperlynx crosstalk simulation, optimization PCB board design .

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