论述数字电视系统的关键技术，对传输码流参数进行分析，提出码流分析仪在有线数字电视系统中的应用方法。
The paper discusses key technologies of the digital television system, analyzes the TS parameters and clarifies the application methods of Transport Stream Analyzer in digital cable television system.
本文研究了网络传输协议、数字电视传送流及业务信息，设计并实现了SI引擎。
Studing the transfer protocol, DTV transport stream (TS) and SI, a SI Engine is designed and implemented.
利用PDH/SDH网络传输MPEG-2码流，是数字电视广播的一种解决方案。
Transportation of MPEG-2 stream over PDH/SDH is a solution for digital video broadcasting.
MPEG 2标准系统层中定义的传输流已经在事实上成为数字电视领域中系统层传输的普遍标准。
Transport stream defined in MPEG-2 standards now has become a general standard in digital TV field.
但由于目前三网合一的标准尚未确定，网络数据和数字电视的压缩数据流还不能在同一条线路中传输。
But now it is not popular that the network data stream and compressed MPEG2 data stream are transported in the same cable for some reasons of the standard.
但由于目前三网合一的标准尚未确定，网络数据和数字电视的压缩数据流还不能在同一条线路中传输。
But now it is not popular that the network data stream and compressed MPEG2 data stream are transported in the same cable for some reasons of the standard.
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