The research of high speed transmission system is a hot topic in the optical communication field and one of the key technologies is channel coding.
高速光纤通信系统的研究是当前光通信领域的一大热点，信道编码技术是其中的一项关键技术。
Wavelength conversion technologies are very important in future optical transmission networks.
波长变换技术是未来实现光传送网的必要条件。
Introduces the issues on application of CCTV system based on the MPEG-4 compression, SDH optical transmission and large capacity hard disc storage technologies in urban rail transportation.
介绍了基于MPEG - 4压缩技术、SDH光纤传输技术和大容量硬盘存储技术的电视监控系统在城市轨道交通中的应用问题。
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