發(fā)布時間：2019-07-05 16:08

【摘要】：摘要：隨著以移動視頻為代表的寬帶業(yè)務(wù)的飛速發(fā)展；以大數(shù)據(jù)處理、物聯(lián)網(wǎng)和云計算為代表的新技術(shù)概念的迅猛興起,使得通信網(wǎng)的傳輸帶寬日益緊張。當(dāng)前,已經(jīng)部署的10、40Gbps傳輸網(wǎng)絡(luò)已經(jīng)不能滿足來自不同領(lǐng)域新型技術(shù)與應(yīng)用的帶寬要求,各大運營商都將目光聚集在100Gbps超高速網(wǎng)絡(luò)建設(shè)上,所以本文的研究內(nèi)容具有重大意義。 《通信工程專業(yè)教學(xué)改革與研究》是北京交通大學(xué)承擔(dān)的國家級教改項目。該項目瞄準(zhǔn)建設(shè)“一流研究型”大學(xué)的發(fā)展目標(biāo),優(yōu)化通信專業(yè)結(jié)構(gòu),提升水平,創(chuàng)新人才培養(yǎng)模式,為培養(yǎng)出國家所需的優(yōu)秀通信人才而努力。為了滿足國家級通信工程特色專業(yè)實驗教學(xué)平臺的建設(shè)要求,針對“2013年是中國100Gbps高速光傳輸系統(tǒng)商用元年”這一狀況,我校去年開始進(jìn)行光通信與光器件實驗平臺建設(shè),基于該實驗平臺可以進(jìn)行與高速光傳輸系統(tǒng)相關(guān)的研究和實驗。本文圍繞我校通信工程國家級教改項目中的“光通信與光器件實驗平臺建設(shè)”進(jìn)行工作,主要的創(chuàng)新點和研究工作包括： 1.在本文中對100Gbps光通信系統(tǒng)的傳輸過程進(jìn)行了詳細(xì)的理論分析,然后用OptiSystem和Matlab軟件建模了120Gbps DP-QPSK相干光傳輸系統(tǒng),給出了建模仿真結(jié)果圖。在此基礎(chǔ)上,提出了我專業(yè)實驗室搭建該系統(tǒng)的解決方案,該方案完全符合實驗室設(shè)備采購原則：通過利用實驗室現(xiàn)有儀器,在滿足系統(tǒng)性能條件下搭建該系統(tǒng),并盡可能節(jié)約采購成本。 2.針對現(xiàn)代通信系統(tǒng)中全數(shù)字化、全智能化這一趨勢特點,本文提出了一種基于改進(jìn)粒子群算法的載波相位估計K-PSO算法,并用Matlab軟件對它進(jìn)行仿真,從不同角度進(jìn)行了詳細(xì)分析。K-PSO算法具有智能化高、控制參數(shù)少、擴(kuò)展性強等優(yōu)點。在展望中,又提出一種K-PSO與基于網(wǎng)格密度的聚類相結(jié)合的載波相位估計算法。在我校光通信與光器件實驗平臺搭建完成后,可以進(jìn)行背靠背實驗驗證,本文對新算法的提出也是對該實驗平臺未來應(yīng)用效果的預(yù)期。
[Abstract]:Absrtact: with the rapid development of broadband services represented by mobile video, the rapid rise of new technological concepts represented by big data processing, Internet of things and cloud computing makes the transmission bandwidth of communication networks increasingly tight. At present, the deployed 10 Gbps transmission network can no longer meet the bandwidth requirements of new technologies and applications from different fields, and the major operators will focus on the construction of 100Gbps ultra-high speed network, so the research content of this paper is of great significance. Teaching Reform and Research of Communication Engineering is a national teaching reform project undertaken by Beijing Jiaotong University. The project aims at the development goal of building "first-class research" university, optimizes the structure of communication specialty, improves the level, innovates the talent training mode, and strives to train the excellent communication talents needed by the country. In order to meet the construction requirements of the national experimental teaching platform for characteristic specialty of communication engineering, in view of the situation that "2013 is the commercial year of 100Gbps high-speed optical transmission system in China", our school began to carry out the construction of optical communication and optical device experimental platform last year. Based on this experimental platform, the research and experiment related to high-speed optical transmission system can be carried out. This paper focuses on the construction of optical communication and optical device experimental platform in the national educational reform project of communication engineering in our university. The main innovations and research work include: 1. In this paper, the transmission process of 100Gbpsoptical communication system is analyzed in detail, and then the 120Gbps DP-QPSK coherent optical transmission system is modeled with OptiSystem and Matlab software, and the modeling and simulation results are given. On this basis, the solution of building the system in our professional laboratory is put forward, which fully accords with the purchasing principle of laboratory equipment: by using the existing instruments in the laboratory, the system is built under the condition of satisfying the performance of the system, and the purchase cost is saved as much as possible. two銆，

本文編號：2510644