运维人员岗位培训系列丛书(传输)-1VIP免费

运维人员岗位培训系列丛书（传输）目录第1章基础知识........................................................11.1传送网的基本概念...............................................................................................31.2传送网的特点......................................................................................................41.2.1基于SDH技术的传送网特点...................................................................41.2.2基于MSTP技术的传送网特点.................................................................51.2.3基于ASON技术的传送网特点................................................................61.2.4基于WDM技术的传送网特点.................................................................71.3SDH、WDM传送网的关系................................................................................81.4传送网的物理拓扑结构.......................................................................................81.5传送网的发展趋势.............................................................................................111.5.1OTN的优劣势..........................................................................................121.5.2全光OXC的发展.....................................................................................121.5.3向ASON演进..........................................................................................131.5.4MSTP技术演进.......................................................................................141.6数字复用技术....................................................................................................151.6.1时分复用技术...........................................................................................151.6.2波分复用技术...........................................................................................151.6.3空分复用技术...........................................................................................171.6.4正交频分复用技术...................................................................................171.6.5复用技术的展望.......................................................................................181.7准同步和同步数字体系.....................................................................................181.8数字传输常用码型及均衡技术.........................................................................191.8.1选择线路码型的条件...............................................................................191.8.2均衡技术..................................................................................................211.9再生中继............................................................................................................211.10电磁波常识........................................................................................................22第2章PDH.............................................................272.1准同步数字体系.................................................................................................282.1.1何谓准同步数字体系...............................................................................282.1.2PCM的基本原理.....................................................................................282.2PCM30/32路系统..............................................................................................362.2.1PCM30/32路...