【摘要】 结合有线电视网络,从理论上对影响光纤链路的噪声、非线性指标的相关因数进行了分析,提出了载噪比、组合二次差拍比、组合三次差拍比的近似表达式。并对武汉有线电视网络前端至京汉花园的光纤链路进行了实际测量。更多还原

【Abstract】 This article analyses in theory the factors that affect the specifications of noise and nonlinearity in optical fiber link, gives the expressions of CNR、CSO and CTB as well as the results measured in practical optical fiber link from the headend of WHCATV to Jinghan Garden.更多还原