【摘要】：隨著光電技術(shù)和數(shù)字通信技術(shù)的發(fā)展，光纖傳輸在光電探測(cè)工程實(shí)踐中得到了廣泛應(yīng)用。本文對(duì)光纖傳輸技術(shù)和高速數(shù)據(jù)傳輸領(lǐng)域的相關(guān)技術(shù)進(jìn)行了分析，對(duì)國(guó)內(nèi)外相關(guān)技術(shù)現(xiàn)狀及發(fā)展趨勢(shì)進(jìn)行了調(diào)研，在此基礎(chǔ)上針對(duì)實(shí)際工程的定制化需求完成了基于FPGA平臺(tái)和Camera Link標(biāo)準(zhǔn)的高速大容量光纖圖像數(shù)據(jù)接口的設(shè)計(jì)與實(shí)現(xiàn)。 具體研究工作如下： 通過(guò)分析系統(tǒng)需求和技術(shù)指標(biāo)，構(gòu)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(shè)計(jì)和實(shí)現(xiàn)，并對(duì)各個(gè)模塊進(jìn)行了具體設(shè)計(jì)。對(duì)影響高速鏈路信號(hào)完整性的抖動(dòng)、反射、衰減和串?dāng)_等因素進(jìn)行了理論分析，并給出PCB的優(yōu)化設(shè)計(jì)方法。應(yīng)用Hyperlynx軟件對(duì)關(guān)鍵信號(hào)進(jìn)行仿真并指導(dǎo)設(shè)計(jì)，保證了信號(hào)質(zhì)量，，達(dá)到降低誤碼率的目的。 應(yīng)用VHDL語(yǔ)言完成了FPGA的軟件部分的設(shè)計(jì)，詳細(xì)介紹了接口緩沖、時(shí)鐘管理、并口轉(zhuǎn)換、圖像傳輸控制、圖像數(shù)據(jù)對(duì)齊、RocketIO GTP的配置和主控制器等主要軟件模塊，并用Modelsim對(duì)軟件模塊進(jìn)行了功能仿真。 最后針對(duì)設(shè)計(jì)和實(shí)現(xiàn)的軟硬件系統(tǒng)搭建了測(cè)試實(shí)驗(yàn)平臺(tái)。對(duì)光纖傳輸接口的速率、誤碼率和實(shí)時(shí)性進(jìn)行了測(cè)試，并使用傳輸系統(tǒng)對(duì)高速相機(jī)的圖像進(jìn)行了傳輸和恢復(fù)，對(duì)傳輸圖像的質(zhì)量進(jìn)行了評(píng)測(cè)。測(cè)試結(jié)果表明，光纖數(shù)據(jù)接口滿足了技術(shù)指標(biāo)，達(dá)到了設(shè)計(jì)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(xué)位授予單位】：中國(guó)科學(xué)院研究生院（光電技術(shù)研究所）
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TP334.7

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