WDM
wdm WDM(Wavelength Division Multiplexing,波分復(fù)用)是利用多個(gè)激光器在單條光纖上同時(shí)發(fā)送多束不同波長激光的技術(shù)。每個(gè)信號經(jīng)過數(shù)據(jù)(文本、語音、視頻等)調(diào)制后都在它獨(dú)有的色...... [查看詳細(xì)]