【摘要】：隨著光電技術和數字通信技術的發(fā)展，光纖傳輸在光電探測工程實踐中得到了廣泛應用。本文對光纖傳輸技術和高速數據傳輸領域的相關技術進行了分析，對國內外相關技術現(xiàn)狀及發(fā)展趨勢進行了調研，在此基礎上針對實際工程的定制化需求完成了基于FPGA平臺和Camera Link標準的高速大容量光纖圖像數據接口的設計與實現(xiàn)。 具體研究工作如下： 通過分析系統(tǒng)需求和技術指標，構建了系統(tǒng)的整體框架。 完成了傳輸系統(tǒng)的硬件部分的設計和實現(xiàn)，并對各個模塊進行了具體設計。對影響高速鏈路信號完整性的抖動、反射、衰減和串擾等因素進行了理論分析，并給出PCB的優(yōu)化設計方法。應用Hyperlynx軟件對關鍵信號進行仿真并指導設計，保證了信號質量，，達到降低誤碼率的目的。 應用VHDL語言完成了FPGA的軟件部分的設計，詳細介紹了接口緩沖、時鐘管理、并口轉換、圖像傳輸控制、圖像數據對齊、RocketIO GTP的配置和主控制器等主要軟件模塊，并用Modelsim對軟件模塊進行了功能仿真。 最后針對設計和實現(xiàn)的軟硬件系統(tǒng)搭建了測試實驗平臺。對光纖傳輸接口的速率、誤碼率和實時性進行了測試，并使用傳輸系統(tǒng)對高速相機的圖像進行了傳輸和恢復，對傳輸圖像的質量進行了評測。測試結果表明，光纖數據接口滿足了技術指標，達到了設計要求。
[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.
【學位授予單位】：中國科學院研究生院（光電技術研究所）
【學位級別】：碩士
【學位授予年份】：2013
【分類號】：TP334.7

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