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.
摘要：本系统将蓝牙无线通信技术应用于有线数字电视系统，在单向机顶盒的数字电视系统上实现各种增值业务。
Abstract: This system applies wireless blue-tooth technology to digital television system, and realizes the different value-added services in one direction system.
根据有线数字电视网络的特点，开发出能够在有线数字电视网络上运行的电视超市的初步系统。
Forth: According the feature of CATV network, to develop the TV supermarket that can run on the CATV network.
分析了基于有线数字电视平台的准视频点播（NVOD）的系统构成；
This article analyses the system of the Near-Video-on-Demand (NVOD) which is based on the digital cable TV platform;
数字电视服务平台是数字电视端到端服务的基础，一套完善的电子商务系统可以为有线数字运营商服务平台提供强有力的支撑。
The service platform is the foundation of DTV end to end service, an electronic commerce system with perfect function can provide the strong support for the service platform.
本文主要阐述建立开放式数字电视实验平台对商业运营的重要性，结合深圳有线数字电视实验室的建设思路和系统结构，介绍该平台的主要功能和作用。
This paper illustrates the importance of setting up the open digital TV lab for commercial launch, and introduces the architecture and the main functions of the lab in Shenzhen.
首先，本文对IPTV的概念进行阐释，将其与有线数字电视进行区分，并对IPTV关键技术、业务特征进行系统的阐述和分析。
First, the definition will be depicted, comparing the difference to digital TV, and will systematically manifest and analyze the key technology, business features of IPTV.
文章分析了数字电视的特点，并就基于有线电视网络的数字电视及视频点播(VOD)系统的实现方案进行了分析探讨，并对具体的技术问题进行了分析论证。
This paper analyses the characteristics of the digital television and probes into the plan to implement the system of digital television and VOD based on cable television.
本课题目的是完成有线数字电视广播系统的重要设备——调制器的设计和实现，核心器件选用FPGA芯片。
Task of the subject is to complete the design and implementation Modulator, which is an important equipment of cable digital vedio broadcasting, with the core chip FPGA device selection.
介绍有线数字电视DVB -C系统的结构及其IRD ，分析该系统前端和接收端的工作原理，并与数字卫星电视接收DVB -S系统进行比较。
This article introduces the constructure of DVB-C CATV system and IRD, analysises the work priniciple of receiver, compares with DVB-S system.
与有线数字电视和卫星数字电视相比，地面数字电视传输系统中的信道环境要复杂的多。
Compared with cable digital TV and satellite digital TV, channel to the environment of terrestrial digital TV transmission system is more complex.
与有线数字电视和卫星数字电视相比，地面数字电视传输系统中的信道环境要复杂的多。
Compared with cable digital TV and satellite digital TV, channel to the environment of terrestrial digital TV transmission system is more complex.
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