基于对数字电视地面传输系统复杂度和性能代价的综合考虑，提出以符号变换为基础的IC I自消除模块替换卷积码模块。
Based on synthesis consideration of complexity and performance cost, this paper proposed a modified scheme of using the ICI self-cancellation module to replace the convolutional coding module.
目前我国已有有线数字电视、地面数字电视和IPTV三种数字节目传输方式。
At present our country has cable digital TV, digital terrestrial television and IPTV three digital transmission program.
数字电视广播主要通过卫星、有线及地面三种传输方式实现。
Digital television broadcasting has three main types: terrestrial, satellite, and cable-based digital TV.
文章在分析地面传输信道特性的基础上，介绍了地面广播数字电视的DVB - T标准，探讨了其核心的正交编码频分多路复用COFDM技术、前端发射设备的系统结构及其优缺点。
Base on the analysis of terrestrial transfer channel, the paper introduces the DVB-T standard, and discuss the core COFDM technology as well as front-end transmit system structure.
仿真结果表明，本文提出的算法即使在很高的数据差错率情况下，仍然可以实现地面数字电视广播系统中可靠而高效的视频传输。
Extensive simulations have verified that, even with high packet error rate, the proposed scheme may achieve efficient and robust video broadcasting over DTTB systems.
讲述了地面数字电视广播系统中工作模式满足业务要求，传输覆盖网的运行良好，对保证接收质量重要，更保证覆盖网正常运行。
Tells the terrestrial digital broadcast system work mode, satisfy business, Transmission network operation is good, To ensure quality of receiving, More guarantee network normal operation.
地面数字电视广播是应用最广也是最复杂的数字电视节目传输方式。
Terrestrial digital TV broadcasting is the most widely and most complex digital television transmission.
本文介绍了COFDM传输原理和数字电视地面广播系统的COFDM实现方案。
This paper gives the COFDM transmission principle and DVB-T COFDM scheme.
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.
在中国数字电视广播地面传输标准(DTMB)中，使用了非规则准循环ld P C码(QC-LDPC)作为前向纠错编码的核心部分。
In Chinese national standard for Digital Terrestrial Multimedia Broadcasting (DTMB), irregular Quasi Cyclic LDPC (QC - LDPC) code is used as core part of forward error correction coding.
在中国数字电视广播地面传输标准(DTMB)中，使用了非规则准循环ld P C码(QC-LDPC)作为前向纠错编码的核心部分。
In Chinese national standard for Digital Terrestrial Multimedia Broadcasting (DTMB), irregular Quasi Cyclic LDPC (QC - LDPC) code is used as core part of forward error correction coding.
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