The system software consists of the system management software, spectrum processing and multiplex multi-scale measurement software.
系统软件包括管理软件，谱处理软件与多路多定标测量应用软件。
In multiplex and demultiplex systems such as Synchronous Digital Hierarchy (SDH), timing processing is very important to system performance.
在复分接系统中，如同步数字系列(SDH)，定时处理占有重要地位。
It adopts two-direction CATV tech and combines with multiplex public exchanging tech, computer processing and on-line, and digital signal and order tech, composing public communication network.
本发明采用双向CAT V技术结合多信道共用交换技术，计算机处理，联网及数字信令技术组成有线公用通信交换网。
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