| 1. | Gpon is multi - point to point network topology structure in upstream direction . in order to transmit tdm services , besides the common modules such as dba , fec , aes , the system also need data adjustment , clock recovery , and so on
其中同步时钟恢复是实现tdm接入的重点和难点,因此本文重点讨论了同步时钟恢复的方法,在研究atm和sdh时钟恢复方法的基础上,提出了同步残余时标法和同步时钟统计恢复法。 |
