数字地面电视发射机有两大技术难点：一是与制式有关的信道编码调制技术；
There are two technique problems for Terrestrial digital TV transmitter: one is the channel coding modulation technique whch is dependent of TV system;
由于这两个问题的相对独立性，因此在数字地面电视标准确定之前，研究“自适应预失真”技术则很有必要。
Because of the independence of the two problems, before determining the Terrestrial digital TV criterion, we must study the adaptive predistortion technology.
而数字地面电视广播与移动通信的融合使移动电话手机用户不仅可以收看数字电视广播，还可以提供电视网络上网。
The convergence of digital terrestrial TV broadcast network and mobile cellular phone network will enable user to watch TV and connect Internet through handset.
这种地面数字电视广播系统使得更多人能够使用这项新服务。
This terrestrial digital broadcast system means that more people will be able to use the service.
许多日本人都通过1seg来看电视，那是一种传送图像、声音和数据的地面数字播放服务。
Many Japanese watch television on 1seg, a mobile terrestrial digital-audio and video-data broadcasting service.
Mediaset则趁虚而入，在2005年买下了地面数字电视的足球转播权，并开展了自己的付费电视业务。
Mediaset duly bought football rights for digital terrestrial television in 2005 and launched its own pay-TV service.
信道估计和信道均衡无疑是数字电视地面广播标准接收机设计中所要考虑的核心问题之一。
Channel estimation and equalization are one of the core problems in the design of receivers in Digital Television Broadcasting-Terrestrial Standard.
三是可以免费接收本地地面数字电视。
Three is to receive free local digital terrestrial television.
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.
数字视频广播(DVB)是欧洲170多个组织共同开发出的数字高清晰度电视标准，它主要由卫星广播(DVB - S)、地面广播(DVB - T)和有线电视(DVB - C)三部分组成。
DVB is the digital HDTV standard that developed by more than 170 organizations in Europe. It mainly comprises satellite (DVB-S), terrestrial (DVB-T) and cable (DVB-C) digital television systems.
在地面数字电视系统中，广播信道存在着突发噪声干扰和随机噪声干扰，而且前者的危害甚于后者。
In digital terrestrial television system, there is much burst and random noise in the broadcasting channel, and burst noise is more harmfully than random noise.
众所周知，在一个完整的数字电视体系里，直播卫星、有线数字电视和地面数字电视是三位一体的构架，缺谁都将会造成一个残缺。
Known in a complete digital TV system, Live satellite, cable digital TV and terrestrial digital TV is a trinity frame, lack of which will cause a damaged.
本文分析了数字电视地面广播通信信道具有长脉冲响应的多径衰落的特点，从频域上表达了其多径衰落信道模型；
The characteristics of the digital television terrestrial broadcasting (DTTB) channels with long impulse responses are analyzed, and the frequency domain multipath channel model is given.
在单载波数字电视地面广播接收机中，可以采用对接收信号直接进行自适应均衡的方案。
For the single carrier Digital Television Broadcasting-Terrestrial receiver, the method of direct adapt equalization can be used.
本项目完成的是中国地面数字电视融合方案接收系统的硬件平台设计。
The hardware design of the receiver according to the merged blue print for digital terrestrial television system in China was completed in this project.
本项目完成的是中国地面数字电视融合方案发端系统的FPGA设计与实现。
The FPGA-based hardware implementation of the transmitter of the merged blue print for digital terrestrial television broadcasting in China has been completed in this project.
中国地面数字电视广播标准GB20600- 2006是基于时域同步-正交频分复用(TDS - OFDM)系统的。
China digital television terrestrial broadcasting standard GB20600-2006 is based on TDS-OFDM (Time-Domain Synchronous orthogonal Frequency Division Multiplexing) systems.
数字电视地面广播(DTTB)是近年来国际上大学和企业研究的热点之一。
Digital Television Terrestrial Broadcasting (DTTB) is recently one of hot points researched by universities and enterprises around the world.
本文是根据国家地面数字电视联合技术工作组提出的地面数字电视融合方案而撰写的。
The paper is written according to merged scheme put forward by union technique work group of national terrestrial digital television broadcasting.
其中，数字电视地面广播（DTTB）最为复杂、覆盖范围最广。
The Digital Television Terrestrial Broadcasting(DTTB) is the most complex, the widest range among them.
介绍了地面数字电视广播(DVB - T)发射端的内编码和内交织的硬件实现。
Hardware implementation of inner coding and inner interleaving at the transmitter end of terrestrial digital video broadcasting (DVB-T) are introduced.
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.
地面数字电视广播系统是广播电视系统中的重要组成部分。
The digital television terrestrial broadcasting system is important constituent in the broadcasting television system.
本文主要研究了基于地面数字广播的手机电视关键技术。
In this paper, key techniques of mobile TV based on digital terrestrial broadcasting were researched chiefly.
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.
地面数字电视广播系统是我国广播电视综合覆盖体系中的重要组成部分。
DTTB is the important part of Chinese radio and TV integrated coverage system.
分析了中国数字电视地面广播标准中的系统帧结构，并根据信号帧头的循环特性，提出了一种性能较好的信道估计算法；
The frame structure in Chinese DTTB standard is introduced, and a channel estimation algorithm with a better performance is given according to the cycle characteristics of the signal frame head.
本文介绍了一种用数字方式实现美国数字电视地面广播系统中的8VSB调制器的方法。
This paper describes the realization of ATSC 8-VSB Modulator of the VSB-based HDTV terrestrial broadcasting system by using almost all digital methods.
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.
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.
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