基于定制化需求的高速大容量光纤数据接口研究
发布时间:2019-06-29 18:49
【摘要】:随着光电技术和数字通信技术的发展,光纤传输在光电探测工程实践中得到了广泛应用。本文对光纤传输技术和高速数据传输领域的相关技术进行了分析,对国内外相关技术现状及发展趋势进行了调研,在此基础上针对实际工程的定制化需求完成了基于FPGA平台和Camera Link标准的高速大容量光纤图像数据接口的设计与实现。 具体研究工作如下: 通过分析系统需求和技术指标,构建了系统的整体框架。 完成了传输系统的硬件部分的设计和实现,并对各个模块进行了具体设计。对影响高速链路信号完整性的抖动、反射、衰减和串扰等因素进行了理论分析,并给出PCB的优化设计方法。应用Hyperlynx软件对关键信号进行仿真并指导设计,保证了信号质量,,达到降低误码率的目的。 应用VHDL语言完成了FPGA的软件部分的设计,详细介绍了接口缓冲、时钟管理、并口转换、图像传输控制、图像数据对齐、RocketIO GTP的配置和主控制器等主要软件模块,并用Modelsim对软件模块进行了功能仿真。 最后针对设计和实现的软硬件系统搭建了测试实验平台。对光纤传输接口的速率、误码率和实时性进行了测试,并使用传输系统对高速相机的图像进行了传输和恢复,对传输图像的质量进行了评测。测试结果表明,光纤数据接口满足了技术指标,达到了设计要求。
[Abstract]:With the development of optoelectronic technology and digital communication technology, optical fiber transmission has been widely used in optoelectronic detection engineering practice. In this paper, the optical fiber transmission technology and the related technology in the field of high speed data transmission are analyzed, and the present situation and development trend of the related technology at home and abroad are investigated. On this basis, the design and implementation of the high speed and large capacity optical fiber image data interface based on FPGA platform and Camera Link standard is completed according to the customized requirements of the actual project. The specific research work is as follows: through the analysis of system requirements and technical indicators, the overall framework of the system is constructed. The hardware part of the transmission system is designed and implemented, and each module is designed concretely. The factors affecting the integrity of high speed link signal, such as jitter, reflection, attenuation and crosstalk, are analyzed theoretically, and the optimal design method of PCB is given. The key signal is simulated and designed by Hyperlynx software, which ensures the signal quality and reduces the bit error rate (BER). The software part of FPGA is designed by VHDL language. The main software modules, such as interface buffering, clock management, parallel port conversion, image transmission control, image data alignment, RocketIO GTP configuration and main controller, are introduced in detail. The functional simulation of the software module is carried out with VHDL. Finally, a test experiment platform is built for the design and implementation of the software and hardware system. The rate, bit error rate and real-time performance of the optical fiber transmission interface are tested, and the image of the high-speed camera is transmitted and restored by using the transmission system, and the quality of the transmitted image is evaluated. The test results show that the optical fiber data interface meets the technical specifications and meets the design requirements.
【学位授予单位】:中国科学院研究生院(光电技术研究所)
【学位级别】:硕士
【学位授予年份】:2013
【分类号】:TP334.7
本文编号:2508030
[Abstract]:With the development of optoelectronic technology and digital communication technology, optical fiber transmission has been widely used in optoelectronic detection engineering practice. In this paper, the optical fiber transmission technology and the related technology in the field of high speed data transmission are analyzed, and the present situation and development trend of the related technology at home and abroad are investigated. On this basis, the design and implementation of the high speed and large capacity optical fiber image data interface based on FPGA platform and Camera Link standard is completed according to the customized requirements of the actual project. The specific research work is as follows: through the analysis of system requirements and technical indicators, the overall framework of the system is constructed. The hardware part of the transmission system is designed and implemented, and each module is designed concretely. The factors affecting the integrity of high speed link signal, such as jitter, reflection, attenuation and crosstalk, are analyzed theoretically, and the optimal design method of PCB is given. The key signal is simulated and designed by Hyperlynx software, which ensures the signal quality and reduces the bit error rate (BER). The software part of FPGA is designed by VHDL language. The main software modules, such as interface buffering, clock management, parallel port conversion, image transmission control, image data alignment, RocketIO GTP configuration and main controller, are introduced in detail. The functional simulation of the software module is carried out with VHDL. Finally, a test experiment platform is built for the design and implementation of the software and hardware system. The rate, bit error rate and real-time performance of the optical fiber transmission interface are tested, and the image of the high-speed camera is transmitted and restored by using the transmission system, and the quality of the transmitted image is evaluated. The test results show that the optical fiber data interface meets the technical specifications and meets the design requirements.
【学位授予单位】:中国科学院研究生院(光电技术研究所)
【学位级别】:硕士
【学位授予年份】:2013
【分类号】:TP334.7
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